Home / 417,206.17-625,887.10-189,517.78

Finding the Fourth Proportional to 417,206.17, 625,887.10 and 189,517.78

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Solution

The fourth proportional to 417,206.17, 625,887.10 and 189,517.78 is: 284,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,206.17 : 625,887.10 = 189,517.78 : x
  2. Step 2: Convert to fraction form
    417,206.17/625,887.10 = 189,517.78/x
  3. Step 3: Cross multiply
    417,206.17x = 625,887.10 × 189,517.78
  4. Step 4: Simplify right side
    417,206.17x = 118,616,733,568.36
  5. Step 5: Solve for x
    x = 118,616,733,568.36/417,206.17
  6. Step 6: Final answer
    x = 284,312.03

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1.5x scale

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.