Home / 598,210.20-897,315.30-521,227.80

Finding the Fourth Proportional to 598,210.20, 897,315.30 and 521,227.80

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Solution

The fourth proportional to 598,210.20, 897,315.30 and 521,227.80 is: 781,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,210.20 : 897,315.30 = 521,227.80 : x
  2. Step 2: Convert to fraction form
    598,210.20/897,315.30 = 521,227.80/x
  3. Step 3: Cross multiply
    598,210.20x = 897,315.30 × 521,227.80
  4. Step 4: Simplify right side
    598,210.20x = 467,705,679,725.34
  5. Step 5: Solve for x
    x = 467,705,679,725.34/598,210.20
  6. Step 6: Final answer
    x = 781,841.70

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Double scale
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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.