Home / 1,169,321.40-1,753,463.70-538,428.60

Finding the Fourth Proportional to 1,169,321.40, 1,753,463.70 and 538,428.60

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Solution

The fourth proportional to 1,169,321.40, 1,753,463.70 and 538,428.60 is: 807,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,321.40 : 1,753,463.70 = 538,428.60 : x
  2. Step 2: Convert to fraction form
    1,169,321.40/1,753,463.70 = 538,428.60/x
  3. Step 3: Cross multiply
    1,169,321.40x = 1,753,463.70 × 538,428.60
  4. Step 4: Simplify right side
    1,169,321.40x = 944,115,005,141.82
  5. Step 5: Solve for x
    x = 944,115,005,141.82/1,169,321.40
  6. Step 6: Final answer
    x = 807,404.20

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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.