Home / 649,874.10-974,811.15-547,230.90

Finding the Fourth Proportional to 649,874.10, 974,811.15 and 547,230.90

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Solution

The fourth proportional to 649,874.10, 974,811.15 and 547,230.90 is: 820,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,874.10 : 974,811.15 = 547,230.90 : x
  2. Step 2: Convert to fraction form
    649,874.10/974,811.15 = 547,230.90/x
  3. Step 3: Cross multiply
    649,874.10x = 974,811.15 × 547,230.90
  4. Step 4: Simplify right side
    649,874.10x = 533,446,782,944.54
  5. Step 5: Solve for x
    x = 533,446,782,944.54/649,874.10
  6. Step 6: Final answer
    x = 820,846.35

Related Problems

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Half scale
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Double scale
Find fourth proportional to 649,875.10, 974,812.65 and 547,231.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.