Home / 1,128,641.76-1,557,545.04-619,391.52

Finding the Fourth Proportional to 1,128,641.76, 1,557,545.04 and 619,391.52

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Solution

The fourth proportional to 1,128,641.76, 1,557,545.04 and 619,391.52 is: 854,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,641.76 : 1,557,545.04 = 619,391.52 : x
  2. Step 2: Convert to fraction form
    1,128,641.76/1,557,545.04 = 619,391.52/x
  3. Step 3: Cross multiply
    1,128,641.76x = 1,557,545.04 × 619,391.52
  4. Step 4: Simplify right side
    1,128,641.76x = 964,730,189,794.06
  5. Step 5: Solve for x
    x = 964,730,189,794.06/1,128,641.76
  6. Step 6: Final answer
    x = 854,770.95

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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.