Home / 738,081.30-1,107,121.95-559,622.10

Finding the Fourth Proportional to 738,081.30, 1,107,121.95 and 559,622.10

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Solution

The fourth proportional to 738,081.30, 1,107,121.95 and 559,622.10 is: 839,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,081.30 : 1,107,121.95 = 559,622.10 : x
  2. Step 2: Convert to fraction form
    738,081.30/1,107,121.95 = 559,622.10/x
  3. Step 3: Cross multiply
    738,081.30x = 1,107,121.95 × 559,622.10
  4. Step 4: Simplify right side
    738,081.30x = 619,569,910,615.10
  5. Step 5: Solve for x
    x = 619,569,910,615.10/738,081.30
  6. Step 6: Final answer
    x = 839,433.15

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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.