Home / 738,711.34-1,107,673.17-383,367.58

Finding the Fourth Proportional to 738,711.34, 1,107,673.17 and 383,367.58

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Solution

The fourth proportional to 738,711.34, 1,107,673.17 and 383,367.58 is: 574,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,711.34 : 1,107,673.17 = 383,367.58 : x
  2. Step 2: Convert to fraction form
    738,711.34/1,107,673.17 = 383,367.58/x
  3. Step 3: Cross multiply
    738,711.34x = 1,107,673.17 × 383,367.58
  4. Step 4: Simplify right side
    738,711.34x = 424,645,982,613.83
  5. Step 5: Solve for x
    x = 424,645,982,613.83/738,711.34
  6. Step 6: Final answer
    x = 574,846.98

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Double scale
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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.