Home / 817,627.59-1,127,685.92-531,240.75

Finding the Fourth Proportional to 817,627.59, 1,127,685.92 and 531,240.75

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Solution

The fourth proportional to 817,627.59, 1,127,685.92 and 531,240.75 is: 732,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,627.59 : 1,127,685.92 = 531,240.75 : x
  2. Step 2: Convert to fraction form
    817,627.59/1,127,685.92 = 531,240.75/x
  3. Step 3: Cross multiply
    817,627.59x = 1,127,685.92 × 531,240.75
  4. Step 4: Simplify right side
    817,627.59x = 599,072,711,249.04
  5. Step 5: Solve for x
    x = 599,072,711,249.04/817,627.59
  6. Step 6: Final answer
    x = 732,696.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.