Home / 1,016,143.80-1,524,216.38-258,042.12

Finding the Fourth Proportional to 1,016,143.80, 1,524,216.38 and 258,042.12

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Solution

The fourth proportional to 1,016,143.80, 1,524,216.38 and 258,042.12 is: 387,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,143.80 : 1,524,216.38 = 258,042.12 : x
  2. Step 2: Convert to fraction form
    1,016,143.80/1,524,216.38 = 258,042.12/x
  3. Step 3: Cross multiply
    1,016,143.80x = 1,524,216.38 × 258,042.12
  4. Step 4: Simplify right side
    1,016,143.80x = 393,312,026,033.93
  5. Step 5: Solve for x
    x = 393,312,026,033.93/1,016,143.80
  6. Step 6: Final answer
    x = 387,063.35

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Double scale
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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.