Home / 541,121.40-746,769.54-299,400.04

Finding the Fourth Proportional to 541,121.40, 746,769.54 and 299,400.04

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Solution

The fourth proportional to 541,121.40, 746,769.54 and 299,400.04 is: 413,184.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,121.40 : 746,769.54 = 299,400.04 : x
  2. Step 2: Convert to fraction form
    541,121.40/746,769.54 = 299,400.04/x
  3. Step 3: Cross multiply
    541,121.40x = 746,769.54 × 299,400.04
  4. Step 4: Simplify right side
    541,121.40x = 223,582,830,146.78
  5. Step 5: Solve for x
    x = 223,582,830,146.78/541,121.40
  6. Step 6: Final answer
    x = 413,184.23

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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.