Home / 1,127,711.60-1,691,632.20-329,116.40

Finding the Fourth Proportional to 1,127,711.60, 1,691,632.20 and 329,116.40

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Solution

The fourth proportional to 1,127,711.60, 1,691,632.20 and 329,116.40 is: 493,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,711.60 : 1,691,632.20 = 329,116.40 : x
  2. Step 2: Convert to fraction form
    1,127,711.60/1,691,632.20 = 329,116.40/x
  3. Step 3: Cross multiply
    1,127,711.60x = 1,691,632.20 × 329,116.40
  4. Step 4: Simplify right side
    1,127,711.60x = 556,743,899,788.08
  5. Step 5: Solve for x
    x = 556,743,899,788.08/1,127,711.60
  6. Step 6: Final answer
    x = 493,693.51

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Double scale
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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.