Home / 649,581.30-973,205.55-556,269.30

Finding the Fourth Proportional to 649,581.30, 973,205.55 and 556,269.30

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Solution

The fourth proportional to 649,581.30, 973,205.55 and 556,269.30 is: 833,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,581.30 : 973,205.55 = 556,269.30 : x
  2. Step 2: Convert to fraction form
    649,581.30/973,205.55 = 556,269.30/x
  3. Step 3: Cross multiply
    649,581.30x = 973,205.55 × 556,269.30
  4. Step 4: Simplify right side
    649,581.30x = 541,364,370,054.62
  5. Step 5: Solve for x
    x = 541,364,370,054.62/649,581.30
  6. Step 6: Final answer
    x = 833,405.10

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Half scale
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Double scale
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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.