Home / 1,904,463.92-2,856,705.24-642,302.48

Finding the Fourth Proportional to 1,904,463.92, 2,856,705.24 and 642,302.48

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Solution

The fourth proportional to 1,904,463.92, 2,856,705.24 and 642,302.48 is: 963,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,463.92 : 2,856,705.24 = 642,302.48 : x
  2. Step 2: Convert to fraction form
    1,904,463.92/2,856,705.24 = 642,302.48/x
  3. Step 3: Cross multiply
    1,904,463.92x = 2,856,705.24 × 642,302.48
  4. Step 4: Simplify right side
    1,904,463.92x = 1,834,868,860,281.00
  5. Step 5: Solve for x
    x = 1,834,868,860,281.00/1,904,463.92
  6. Step 6: Final answer
    x = 963,456.88

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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.