Home / 866,617.92-1,299,139.53-393,044.94

Finding the Fourth Proportional to 866,617.92, 1,299,139.53 and 393,044.94

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Solution

The fourth proportional to 866,617.92, 1,299,139.53 and 393,044.94 is: 589,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,617.92 : 1,299,139.53 = 393,044.94 : x
  2. Step 2: Convert to fraction form
    866,617.92/1,299,139.53 = 393,044.94/x
  3. Step 3: Cross multiply
    866,617.92x = 1,299,139.53 × 393,044.94
  4. Step 4: Simplify right side
    866,617.92x = 510,620,218,620.48
  5. Step 5: Solve for x
    x = 510,620,218,620.48/866,617.92
  6. Step 6: Final answer
    x = 589,210.32

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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.