Home / 738,712.61-1,108,102.09-226,340.20

Finding the Fourth Proportional to 738,712.61, 1,108,102.09 and 226,340.20

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Solution

The fourth proportional to 738,712.61, 1,108,102.09 and 226,340.20 is: 339,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,712.61 : 1,108,102.09 = 226,340.20 : x
  2. Step 2: Convert to fraction form
    738,712.61/1,108,102.09 = 226,340.20/x
  3. Step 3: Cross multiply
    738,712.61x = 1,108,102.09 × 226,340.20
  4. Step 4: Simplify right side
    738,712.61x = 250,808,048,671.02
  5. Step 5: Solve for x
    x = 250,808,048,671.02/738,712.61
  6. Step 6: Final answer
    x = 339,520.46

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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.