Home / 417,974.22-576,981.01-282,192.12

Finding the Fourth Proportional to 417,974.22, 576,981.01 and 282,192.12

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Solution

The fourth proportional to 417,974.22, 576,981.01 and 282,192.12 is: 389,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,974.22 : 576,981.01 = 282,192.12 : x
  2. Step 2: Convert to fraction form
    417,974.22/576,981.01 = 282,192.12/x
  3. Step 3: Cross multiply
    417,974.22x = 576,981.01 × 282,192.12
  4. Step 4: Simplify right side
    417,974.22x = 162,819,494,411.64
  5. Step 5: Solve for x
    x = 162,819,494,411.64/417,974.22
  6. Step 6: Final answer
    x = 389,544.35

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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.