Home / 957,440.66-1,321,251.75-527,760.77

Finding the Fourth Proportional to 957,440.66, 1,321,251.75 and 527,760.77

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Solution

The fourth proportional to 957,440.66, 1,321,251.75 and 527,760.77 is: 728,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,440.66 : 1,321,251.75 = 527,760.77 : x
  2. Step 2: Convert to fraction form
    957,440.66/1,321,251.75 = 527,760.77/x
  3. Step 3: Cross multiply
    957,440.66x = 1,321,251.75 × 527,760.77
  4. Step 4: Simplify right side
    957,440.66x = 697,304,834,337.59
  5. Step 5: Solve for x
    x = 697,304,834,337.59/957,440.66
  6. Step 6: Final answer
    x = 728,300.84

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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.