Home / 534,158.40-802,159.20-517,569.60

Finding the Fourth Proportional to 534,158.40, 802,159.20 and 517,569.60

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Solution

The fourth proportional to 534,158.40, 802,159.20 and 517,569.60 is: 777,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,158.40 : 802,159.20 = 517,569.60 : x
  2. Step 2: Convert to fraction form
    534,158.40/802,159.20 = 517,569.60/x
  3. Step 3: Cross multiply
    534,158.40x = 802,159.20 × 517,569.60
  4. Step 4: Simplify right side
    534,158.40x = 415,173,216,280.32
  5. Step 5: Solve for x
    x = 415,173,216,280.32/534,158.40
  6. Step 6: Final answer
    x = 777,247.38

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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.