Home / 781,417.26-1,171,892.61-332,136.18

Finding the Fourth Proportional to 781,417.26, 1,171,892.61 and 332,136.18

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Solution

The fourth proportional to 781,417.26, 1,171,892.61 and 332,136.18 is: 498,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,417.26 : 1,171,892.61 = 332,136.18 : x
  2. Step 2: Convert to fraction form
    781,417.26/1,171,892.61 = 332,136.18/x
  3. Step 3: Cross multiply
    781,417.26x = 1,171,892.61 × 332,136.18
  4. Step 4: Simplify right side
    781,417.26x = 389,227,934,855.63
  5. Step 5: Solve for x
    x = 389,227,934,855.63/781,417.26
  6. Step 6: Final answer
    x = 498,105.12

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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.