Home / 713,673.90-1,070,512.71-240,691.50

Finding the Fourth Proportional to 713,673.90, 1,070,512.71 and 240,691.50

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Solution

The fourth proportional to 713,673.90, 1,070,512.71 and 240,691.50 is: 361,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,673.90 : 1,070,512.71 = 240,691.50 : x
  2. Step 2: Convert to fraction form
    713,673.90/1,070,512.71 = 240,691.50/x
  3. Step 3: Cross multiply
    713,673.90x = 1,070,512.71 × 240,691.50
  4. Step 4: Simplify right side
    713,673.90x = 257,663,309,938.97
  5. Step 5: Solve for x
    x = 257,663,309,938.97/713,673.90
  6. Step 6: Final answer
    x = 361,037.88

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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.