Home / 817,161.96-1,127,719.92-680,967.92

Finding the Fourth Proportional to 817,161.96, 1,127,719.92 and 680,967.92

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Solution

The fourth proportional to 817,161.96, 1,127,719.92 and 680,967.92 is: 939,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,161.96 : 1,127,719.92 = 680,967.92 : x
  2. Step 2: Convert to fraction form
    817,161.96/1,127,719.92 = 680,967.92/x
  3. Step 3: Cross multiply
    817,161.96x = 1,127,719.92 × 680,967.92
  4. Step 4: Simplify right side
    817,161.96x = 767,941,088,264.97
  5. Step 5: Solve for x
    x = 767,941,088,264.97/817,161.96
  6. Step 6: Final answer
    x = 939,766.08

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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.