Home / 649,334.20-974,001.30-531,236.20

Finding the Fourth Proportional to 649,334.20, 974,001.30 and 531,236.20

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Solution

The fourth proportional to 649,334.20, 974,001.30 and 531,236.20 is: 796,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,334.20 : 974,001.30 = 531,236.20 : x
  2. Step 2: Convert to fraction form
    649,334.20/974,001.30 = 531,236.20/x
  3. Step 3: Cross multiply
    649,334.20x = 974,001.30 × 531,236.20
  4. Step 4: Simplify right side
    649,334.20x = 517,424,749,407.06
  5. Step 5: Solve for x
    x = 517,424,749,407.06/649,334.20
  6. Step 6: Final answer
    x = 796,854.30

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Half scale
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Double scale
Find fourth proportional to 649,335.20, 974,002.80 and 531,237.20
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.