Home / 754,139.34-1,040,936.64-432,063.90

Finding the Fourth Proportional to 754,139.34, 1,040,936.64 and 432,063.90

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Solution

The fourth proportional to 754,139.34, 1,040,936.64 and 432,063.90 is: 596,376.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,139.34 : 1,040,936.64 = 432,063.90 : x
  2. Step 2: Convert to fraction form
    754,139.34/1,040,936.64 = 432,063.90/x
  3. Step 3: Cross multiply
    754,139.34x = 1,040,936.64 × 432,063.90
  4. Step 4: Simplify right side
    754,139.34x = 449,751,144,331.30
  5. Step 5: Solve for x
    x = 449,751,144,331.30/754,139.34
  6. Step 6: Final answer
    x = 596,376.72

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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.