Home / 1,438,235.26-2,156,792.10-539,186.97

Finding the Fourth Proportional to 1,438,235.26, 2,156,792.10 and 539,186.97

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Solution

The fourth proportional to 1,438,235.26, 2,156,792.10 and 539,186.97 is: 808,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,235.26 : 2,156,792.10 = 539,186.97 : x
  2. Step 2: Convert to fraction form
    1,438,235.26/2,156,792.10 = 539,186.97/x
  3. Step 3: Cross multiply
    1,438,235.26x = 2,156,792.10 × 539,186.97
  4. Step 4: Simplify right side
    1,438,235.26x = 1,162,914,197,318.94
  5. Step 5: Solve for x
    x = 1,162,914,197,318.94/1,438,235.26
  6. Step 6: Final answer
    x = 808,570.22

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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.