Home / 938,053.88-1,408,963.56-559,712.80

Finding the Fourth Proportional to 938,053.88, 1,408,963.56 and 559,712.80

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Solution

The fourth proportional to 938,053.88, 1,408,963.56 and 559,712.80 is: 840,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,053.88 : 1,408,963.56 = 559,712.80 : x
  2. Step 2: Convert to fraction form
    938,053.88/1,408,963.56 = 559,712.80/x
  3. Step 3: Cross multiply
    938,053.88x = 1,408,963.56 × 559,712.80
  4. Step 4: Simplify right side
    938,053.88x = 788,614,939,265.57
  5. Step 5: Solve for x
    x = 788,614,939,265.57/938,053.88
  6. Step 6: Final answer
    x = 840,692.58

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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.