Home / 468,721.94-646,834.28-261,990.04

Finding the Fourth Proportional to 468,721.94, 646,834.28 and 261,990.04

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Solution

The fourth proportional to 468,721.94, 646,834.28 and 261,990.04 is: 361,545.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,721.94 : 646,834.28 = 261,990.04 : x
  2. Step 2: Convert to fraction form
    468,721.94/646,834.28 = 261,990.04/x
  3. Step 3: Cross multiply
    468,721.94x = 646,834.28 × 261,990.04
  4. Step 4: Simplify right side
    468,721.94x = 169,464,138,890.57
  5. Step 5: Solve for x
    x = 169,464,138,890.57/468,721.94
  6. Step 6: Final answer
    x = 361,545.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.