Home / 1,098,079.12-1,647,591.96-424,634.32

Finding the Fourth Proportional to 1,098,079.12, 1,647,591.96 and 424,634.32

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Solution

The fourth proportional to 1,098,079.12, 1,647,591.96 and 424,634.32 is: 637,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,079.12 : 1,647,591.96 = 424,634.32 : x
  2. Step 2: Convert to fraction form
    1,098,079.12/1,647,591.96 = 424,634.32/x
  3. Step 3: Cross multiply
    1,098,079.12x = 1,647,591.96 × 424,634.32
  4. Step 4: Simplify right side
    1,098,079.12x = 699,624,091,572.07
  5. Step 5: Solve for x
    x = 699,624,091,572.07/1,098,079.12
  6. Step 6: Final answer
    x = 637,134.50

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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.