Home / 938,053.86-1,408,963.54-559,712.78

Finding the Fourth Proportional to 938,053.86, 1,408,963.54 and 559,712.78

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Solution

The fourth proportional to 938,053.86, 1,408,963.54 and 559,712.78 is: 840,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,053.86 : 1,408,963.54 = 559,712.78 : x
  2. Step 2: Convert to fraction form
    938,053.86/1,408,963.54 = 559,712.78/x
  3. Step 3: Cross multiply
    938,053.86x = 1,408,963.54 × 559,712.78
  4. Step 4: Simplify right side
    938,053.86x = 788,614,899,892.04
  5. Step 5: Solve for x
    x = 788,614,899,892.04/938,053.86
  6. Step 6: Final answer
    x = 840,692.56

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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.