Home / 738,711.61-1,108,100.59-226,339.20

Finding the Fourth Proportional to 738,711.61, 1,108,100.59 and 226,339.20

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Solution

The fourth proportional to 738,711.61, 1,108,100.59 and 226,339.20 is: 339,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,711.61 : 1,108,100.59 = 226,339.20 : x
  2. Step 2: Convert to fraction form
    738,711.61/1,108,100.59 = 226,339.20/x
  3. Step 3: Cross multiply
    738,711.61x = 1,108,100.59 × 226,339.20
  4. Step 4: Simplify right side
    738,711.61x = 250,806,600,494.28
  5. Step 5: Solve for x
    x = 250,806,600,494.28/738,711.61
  6. Step 6: Final answer
    x = 339,518.97

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Double scale
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Similar ratio
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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.