Home / 868,106.70-1,197,959.36-480,906.32

Finding the Fourth Proportional to 868,106.70, 1,197,959.36 and 480,906.32

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Solution

The fourth proportional to 868,106.70, 1,197,959.36 and 480,906.32 is: 663,635.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,106.70 : 1,197,959.36 = 480,906.32 : x
  2. Step 2: Convert to fraction form
    868,106.70/1,197,959.36 = 480,906.32/x
  3. Step 3: Cross multiply
    868,106.70x = 1,197,959.36 × 480,906.32
  4. Step 4: Simplify right side
    868,106.70x = 576,106,218,932.83
  5. Step 5: Solve for x
    x = 576,106,218,932.83/868,106.70
  6. Step 6: Final answer
    x = 663,635.26

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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.