Home / 6,629,545.55-9,148,680.98-3,728,938.39

Finding the Fourth Proportional to 6,629,545.55, 9,148,680.98 and 3,728,938.39

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Solution

The fourth proportional to 6,629,545.55, 9,148,680.98 and 3,728,938.39 is: 5,145,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629,545.55 : 9,148,680.98 = 3,728,938.39 : x
  2. Step 2: Convert to fraction form
    6,629,545.55/9,148,680.98 = 3,728,938.39/x
  3. Step 3: Cross multiply
    6,629,545.55x = 9,148,680.98 × 3,728,938.39
  4. Step 4: Simplify right side
    6,629,545.55x = 34,114,867,687,763.76
  5. Step 5: Solve for x
    x = 34,114,867,687,763.76/6,629,545.55
  6. Step 6: Final answer
    x = 5,145,883.29

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Double scale
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1.5x scale

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.