Home / 754,451.51-1,041,055.82-432,142.39

Finding the Fourth Proportional to 754,451.51, 1,041,055.82 and 432,142.39

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Solution

The fourth proportional to 754,451.51, 1,041,055.82 and 432,142.39 is: 596,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,451.51 : 1,041,055.82 = 432,142.39 : x
  2. Step 2: Convert to fraction form
    754,451.51/1,041,055.82 = 432,142.39/x
  3. Step 3: Cross multiply
    754,451.51x = 1,041,055.82 × 432,142.39
  4. Step 4: Simplify right side
    754,451.51x = 449,884,344,972.93
  5. Step 5: Solve for x
    x = 449,884,344,972.93/754,451.51
  6. Step 6: Final answer
    x = 596,306.51

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Double scale
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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.