Home / 1,253,095.89-1,729,226.05-680,123.76

Finding the Fourth Proportional to 1,253,095.89, 1,729,226.05 and 680,123.76

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Solution

The fourth proportional to 1,253,095.89, 1,729,226.05 and 680,123.76 is: 938,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,095.89 : 1,729,226.05 = 680,123.76 : x
  2. Step 2: Convert to fraction form
    1,253,095.89/1,729,226.05 = 680,123.76/x
  3. Step 3: Cross multiply
    1,253,095.89x = 1,729,226.05 × 680,123.76
  4. Step 4: Simplify right side
    1,253,095.89x = 1,176,087,723,015.95
  5. Step 5: Solve for x
    x = 1,176,087,723,015.95/1,253,095.89
  6. Step 6: Final answer
    x = 938,545.67

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Double scale
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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.