Home / 1,059,148.56-1,587,504.90-489,332.61

Finding the Fourth Proportional to 1,059,148.56, 1,587,504.90 and 489,332.61

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Solution

The fourth proportional to 1,059,148.56, 1,587,504.90 and 489,332.61 is: 733,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,148.56 : 1,587,504.90 = 489,332.61 : x
  2. Step 2: Convert to fraction form
    1,059,148.56/1,587,504.90 = 489,332.61/x
  3. Step 3: Cross multiply
    1,059,148.56x = 1,587,504.90 × 489,332.61
  4. Step 4: Simplify right side
    1,059,148.56x = 776,817,916,104.79
  5. Step 5: Solve for x
    x = 776,817,916,104.79/1,059,148.56
  6. Step 6: Final answer
    x = 733,436.22

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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.