Home / 1,092,985.84-1,508,062.92-663,255.76

Finding the Fourth Proportional to 1,092,985.84, 1,508,062.92 and 663,255.76

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Solution

The fourth proportional to 1,092,985.84, 1,508,062.92 and 663,255.76 is: 915,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,985.84 : 1,508,062.92 = 663,255.76 : x
  2. Step 2: Convert to fraction form
    1,092,985.84/1,508,062.92 = 663,255.76/x
  3. Step 3: Cross multiply
    1,092,985.84x = 1,508,062.92 × 663,255.76
  4. Step 4: Simplify right side
    1,092,985.84x = 1,000,231,418,132.42
  5. Step 5: Solve for x
    x = 1,000,231,418,132.42/1,092,985.84
  6. Step 6: Final answer
    x = 915,136.67

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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.