Home / 727,545.60-1,091,318.40-694,886.40

Finding the Fourth Proportional to 727,545.60, 1,091,318.40 and 694,886.40

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Solution

The fourth proportional to 727,545.60, 1,091,318.40 and 694,886.40 is: 1,042,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,545.60 : 1,091,318.40 = 694,886.40 : x
  2. Step 2: Convert to fraction form
    727,545.60/1,091,318.40 = 694,886.40/x
  3. Step 3: Cross multiply
    727,545.60x = 1,091,318.40 × 694,886.40
  4. Step 4: Simplify right side
    727,545.60x = 758,342,314,229.76
  5. Step 5: Solve for x
    x = 758,342,314,229.76/727,545.60
  6. Step 6: Final answer
    x = 1,042,329.60

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1.5x scale

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.