Home / 1,092,092.70-1,638,139.05-619,700.70

Finding the Fourth Proportional to 1,092,092.70, 1,638,139.05 and 619,700.70

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Solution

The fourth proportional to 1,092,092.70, 1,638,139.05 and 619,700.70 is: 929,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,092.70 : 1,638,139.05 = 619,700.70 : x
  2. Step 2: Convert to fraction form
    1,092,092.70/1,638,139.05 = 619,700.70/x
  3. Step 3: Cross multiply
    1,092,092.70x = 1,638,139.05 × 619,700.70
  4. Step 4: Simplify right side
    1,092,092.70x = 1,015,155,915,982.34
  5. Step 5: Solve for x
    x = 1,015,155,915,982.34/1,092,092.70
  6. Step 6: Final answer
    x = 929,551.05

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Double scale
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Similar ratio
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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.