Home / 957,177.16-1,320,904.86-521,591.56

Finding the Fourth Proportional to 957,177.16, 1,320,904.86 and 521,591.56

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Solution

The fourth proportional to 957,177.16, 1,320,904.86 and 521,591.56 is: 719,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,177.16 : 1,320,904.86 = 521,591.56 : x
  2. Step 2: Convert to fraction form
    957,177.16/1,320,904.86 = 521,591.56/x
  3. Step 3: Cross multiply
    957,177.16x = 1,320,904.86 × 521,591.56
  4. Step 4: Simplify right side
    957,177.16x = 688,972,826,538.98
  5. Step 5: Solve for x
    x = 688,972,826,538.98/957,177.16
  6. Step 6: Final answer
    x = 719,796.56

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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.