Home / 558,934.60-838,401.90-534,440.20

Finding the Fourth Proportional to 558,934.60, 838,401.90 and 534,440.20

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Solution

The fourth proportional to 558,934.60, 838,401.90 and 534,440.20 is: 801,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,934.60 : 838,401.90 = 534,440.20 : x
  2. Step 2: Convert to fraction form
    558,934.60/838,401.90 = 534,440.20/x
  3. Step 3: Cross multiply
    558,934.60x = 838,401.90 × 534,440.20
  4. Step 4: Simplify right side
    558,934.60x = 448,075,679,116.38
  5. Step 5: Solve for x
    x = 448,075,679,116.38/558,934.60
  6. Step 6: Final answer
    x = 801,660.30

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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.