Home / 1,088,126.20-1,632,419.70-329,905.40

Finding the Fourth Proportional to 1,088,126.20, 1,632,419.70 and 329,905.40

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Solution

The fourth proportional to 1,088,126.20, 1,632,419.70 and 329,905.40 is: 494,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,126.20 : 1,632,419.70 = 329,905.40 : x
  2. Step 2: Convert to fraction form
    1,088,126.20/1,632,419.70 = 329,905.40/x
  3. Step 3: Cross multiply
    1,088,126.20x = 1,632,419.70 × 329,905.40
  4. Step 4: Simplify right side
    1,088,126.20x = 538,544,074,096.38
  5. Step 5: Solve for x
    x = 538,544,074,096.38/1,088,126.20
  6. Step 6: Final answer
    x = 494,927.95

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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.