Home / 938,146.59-1,294,646.90-508,426.70

Finding the Fourth Proportional to 938,146.59, 1,294,646.90 and 508,426.70

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Solution

The fourth proportional to 938,146.59, 1,294,646.90 and 508,426.70 is: 701,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,146.59 : 1,294,646.90 = 508,426.70 : x
  2. Step 2: Convert to fraction form
    938,146.59/1,294,646.90 = 508,426.70/x
  3. Step 3: Cross multiply
    938,146.59x = 1,294,646.90 × 508,426.70
  4. Step 4: Simplify right side
    938,146.59x = 658,233,042,016.86
  5. Step 5: Solve for x
    x = 658,233,042,016.86/938,146.59
  6. Step 6: Final answer
    x = 701,631.33

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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.