Home / 1,092,176.20-1,638,264.30-613,879.30

Finding the Fourth Proportional to 1,092,176.20, 1,638,264.30 and 613,879.30

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Solution

The fourth proportional to 1,092,176.20, 1,638,264.30 and 613,879.30 is: 920,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,176.20 : 1,638,264.30 = 613,879.30 : x
  2. Step 2: Convert to fraction form
    1,092,176.20/1,638,264.30 = 613,879.30/x
  3. Step 3: Cross multiply
    1,092,176.20x = 1,638,264.30 × 613,879.30
  4. Step 4: Simplify right side
    1,092,176.20x = 1,005,696,541,698.99
  5. Step 5: Solve for x
    x = 1,005,696,541,698.99/1,092,176.20
  6. Step 6: Final answer
    x = 920,818.95

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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.