Home / 1,031,218.50-1,423,060.13-572,306.42

Finding the Fourth Proportional to 1,031,218.50, 1,423,060.13 and 572,306.42

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Solution

The fourth proportional to 1,031,218.50, 1,423,060.13 and 572,306.42 is: 789,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,218.50 : 1,423,060.13 = 572,306.42 : x
  2. Step 2: Convert to fraction form
    1,031,218.50/1,423,060.13 = 572,306.42/x
  3. Step 3: Cross multiply
    1,031,218.50x = 1,423,060.13 × 572,306.42
  4. Step 4: Simplify right side
    1,031,218.50x = 814,426,438,468.20
  5. Step 5: Solve for x
    x = 814,426,438,468.20/1,031,218.50
  6. Step 6: Final answer
    x = 789,770.97

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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.