Home / 817,443.41-1,127,432.86-531,055.76

Finding the Fourth Proportional to 817,443.41, 1,127,432.86 and 531,055.76

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Solution

The fourth proportional to 817,443.41, 1,127,432.86 and 531,055.76 is: 732,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,443.41 : 1,127,432.86 = 531,055.76 : x
  2. Step 2: Convert to fraction form
    817,443.41/1,127,432.86 = 531,055.76/x
  3. Step 3: Cross multiply
    817,443.41x = 1,127,432.86 × 531,055.76
  4. Step 4: Simplify right side
    817,443.41x = 598,729,707,351.47
  5. Step 5: Solve for x
    x = 598,729,707,351.47/817,443.41
  6. Step 6: Final answer
    x = 732,441.79

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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.