Home / 755,436.89-1,132,443.03-375,998.92

Finding the Fourth Proportional to 755,436.89, 1,132,443.03 and 375,998.92

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Solution

The fourth proportional to 755,436.89, 1,132,443.03 and 375,998.92 is: 563,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,436.89 : 1,132,443.03 = 375,998.92 : x
  2. Step 2: Convert to fraction form
    755,436.89/1,132,443.03 = 375,998.92/x
  3. Step 3: Cross multiply
    755,436.89x = 1,132,443.03 × 375,998.92
  4. Step 4: Simplify right side
    755,436.89x = 425,797,359,067.08
  5. Step 5: Solve for x
    x = 425,797,359,067.08/755,436.89
  6. Step 6: Final answer
    x = 563,643.85

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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.