Home / 1,016,228.16-1,524,342.78-258,126.48

Finding the Fourth Proportional to 1,016,228.16, 1,524,342.78 and 258,126.48

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Solution

The fourth proportional to 1,016,228.16, 1,524,342.78 and 258,126.48 is: 387,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,228.16 : 1,524,342.78 = 258,126.48 : x
  2. Step 2: Convert to fraction form
    1,016,228.16/1,524,342.78 = 258,126.48/x
  3. Step 3: Cross multiply
    1,016,228.16x = 1,524,342.78 × 258,126.48
  4. Step 4: Simplify right side
    1,016,228.16x = 393,473,236,114.81
  5. Step 5: Solve for x
    x = 393,473,236,114.81/1,016,228.16
  6. Step 6: Final answer
    x = 387,189.86

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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.