Home / 743,521.52-1,115,306.53-353,943.41

Finding the Fourth Proportional to 743,521.52, 1,115,306.53 and 353,943.41

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Solution

The fourth proportional to 743,521.52, 1,115,306.53 and 353,943.41 is: 530,926.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,521.52 : 1,115,306.53 = 353,943.41 : x
  2. Step 2: Convert to fraction form
    743,521.52/1,115,306.53 = 353,943.41/x
  3. Step 3: Cross multiply
    743,521.52x = 1,115,306.53 × 353,943.41
  4. Step 4: Simplify right side
    743,521.52x = 394,755,396,423.47
  5. Step 5: Solve for x
    x = 394,755,396,423.47/743,521.52
  6. Step 6: Final answer
    x = 530,926.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.