Home / 754,421.70-1,041,112.26-432,131.61

Finding the Fourth Proportional to 754,421.70, 1,041,112.26 and 432,131.61

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Solution

The fourth proportional to 754,421.70, 1,041,112.26 and 432,131.61 is: 596,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,421.70 : 1,041,112.26 = 432,131.61 : x
  2. Step 2: Convert to fraction form
    754,421.70/1,041,112.26 = 432,131.61/x
  3. Step 3: Cross multiply
    754,421.70x = 1,041,112.26 × 432,131.61
  4. Step 4: Simplify right side
    754,421.70x = 449,897,517,104.54
  5. Step 5: Solve for x
    x = 449,897,517,104.54/754,421.70
  6. Step 6: Final answer
    x = 596,347.53

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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.