Home / 868,246.20-1,299,834.90-619,414.20

Finding the Fourth Proportional to 868,246.20, 1,299,834.90 and 619,414.20

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Solution

The fourth proportional to 868,246.20, 1,299,834.90 and 619,414.20 is: 927,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,246.20 : 1,299,834.90 = 619,414.20 : x
  2. Step 2: Convert to fraction form
    868,246.20/1,299,834.90 = 619,414.20/x
  3. Step 3: Cross multiply
    868,246.20x = 1,299,834.90 × 619,414.20
  4. Step 4: Simplify right side
    868,246.20x = 805,136,194,715.58
  5. Step 5: Solve for x
    x = 805,136,194,715.58/868,246.20
  6. Step 6: Final answer
    x = 927,313.24

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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.