Home / 955,969.12-1,433,947.28-387,341.83

Finding the Fourth Proportional to 955,969.12, 1,433,947.28 and 387,341.83

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Solution

The fourth proportional to 955,969.12, 1,433,947.28 and 387,341.83 is: 581,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,969.12 : 1,433,947.28 = 387,341.83 : x
  2. Step 2: Convert to fraction form
    955,969.12/1,433,947.28 = 387,341.83/x
  3. Step 3: Cross multiply
    955,969.12x = 1,433,947.28 × 387,341.83
  4. Step 4: Simplify right side
    955,969.12x = 555,427,754,452.28
  5. Step 5: Solve for x
    x = 555,427,754,452.28/955,969.12
  6. Step 6: Final answer
    x = 581,010.15

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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.