Home / 755,753.47-1,043,013.44-564,434.71

Finding the Fourth Proportional to 755,753.47, 1,043,013.44 and 564,434.71

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Solution

The fourth proportional to 755,753.47, 1,043,013.44 and 564,434.71 is: 778,974.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,753.47 : 1,043,013.44 = 564,434.71 : x
  2. Step 2: Convert to fraction form
    755,753.47/1,043,013.44 = 564,434.71/x
  3. Step 3: Cross multiply
    755,753.47x = 1,043,013.44 × 564,434.71
  4. Step 4: Simplify right side
    755,753.47x = 588,712,988,532.50
  5. Step 5: Solve for x
    x = 588,712,988,532.50/755,753.47
  6. Step 6: Final answer
    x = 778,974.91

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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.