Home / 1,092,178.20-1,638,267.30-613,881.30

Finding the Fourth Proportional to 1,092,178.20, 1,638,267.30 and 613,881.30

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Solution

The fourth proportional to 1,092,178.20, 1,638,267.30 and 613,881.30 is: 920,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,178.20 : 1,638,267.30 = 613,881.30 : x
  2. Step 2: Convert to fraction form
    1,092,178.20/1,638,267.30 = 613,881.30/x
  3. Step 3: Cross multiply
    1,092,178.20x = 1,638,267.30 × 613,881.30
  4. Step 4: Simplify right side
    1,092,178.20x = 1,005,701,659,871.49
  5. Step 5: Solve for x
    x = 1,005,701,659,871.49/1,092,178.20
  6. Step 6: Final answer
    x = 920,821.95

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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.