Home / 1,207,516.75-1,666,337.76-691,253.53

Finding the Fourth Proportional to 1,207,516.75, 1,666,337.76 and 691,253.53

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Solution

The fourth proportional to 1,207,516.75, 1,666,337.76 and 691,253.53 is: 953,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,516.75 : 1,666,337.76 = 691,253.53 : x
  2. Step 2: Convert to fraction form
    1,207,516.75/1,666,337.76 = 691,253.53/x
  3. Step 3: Cross multiply
    1,207,516.75x = 1,666,337.76 × 691,253.53
  4. Step 4: Simplify right side
    1,207,516.75x = 1,151,861,854,606.45
  5. Step 5: Solve for x
    x = 1,151,861,854,606.45/1,207,516.75
  6. Step 6: Final answer
    x = 953,909.63

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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.