Home / 1,092,201.20-1,638,010.20-382,155.20

Finding the Fourth Proportional to 1,092,201.20, 1,638,010.20 and 382,155.20

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Solution

The fourth proportional to 1,092,201.20, 1,638,010.20 and 382,155.20 is: 573,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,201.20 : 1,638,010.20 = 382,155.20 : x
  2. Step 2: Convert to fraction form
    1,092,201.20/1,638,010.20 = 382,155.20/x
  3. Step 3: Cross multiply
    1,092,201.20x = 1,638,010.20 × 382,155.20
  4. Step 4: Simplify right side
    1,092,201.20x = 625,974,115,583.04
  5. Step 5: Solve for x
    x = 625,974,115,583.04/1,092,201.20
  6. Step 6: Final answer
    x = 573,130.77

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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.