Home / 1,253,095.86-1,729,267.92-680,136.03

Finding the Fourth Proportional to 1,253,095.86, 1,729,267.92 and 680,136.03

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Solution

The fourth proportional to 1,253,095.86, 1,729,267.92 and 680,136.03 is: 938,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,095.86 : 1,729,267.92 = 680,136.03 : x
  2. Step 2: Convert to fraction form
    1,253,095.86/1,729,267.92 = 680,136.03/x
  3. Step 3: Cross multiply
    1,253,095.86x = 1,729,267.92 × 680,136.03
  4. Step 4: Simplify right side
    1,253,095.86x = 1,176,137,417,915.16
  5. Step 5: Solve for x
    x = 1,176,137,417,915.16/1,253,095.86
  6. Step 6: Final answer
    x = 938,585.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.