Home / 881,891.25-1,216,974.69-519,330.39

Finding the Fourth Proportional to 881,891.25, 1,216,974.69 and 519,330.39

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Solution

The fourth proportional to 881,891.25, 1,216,974.69 and 519,330.39 is: 716,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,891.25 : 1,216,974.69 = 519,330.39 : x
  2. Step 2: Convert to fraction form
    881,891.25/1,216,974.69 = 519,330.39/x
  3. Step 3: Cross multiply
    881,891.25x = 1,216,974.69 × 519,330.39
  4. Step 4: Simplify right side
    881,891.25x = 632,011,940,377.83
  5. Step 5: Solve for x
    x = 632,011,940,377.83/881,891.25
  6. Step 6: Final answer
    x = 716,655.19

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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.