Home / 870,168.88-1,198,595.64-615,081.52

Finding the Fourth Proportional to 870,168.88, 1,198,595.64 and 615,081.52

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Solution

The fourth proportional to 870,168.88, 1,198,595.64 and 615,081.52 is: 847,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,168.88 : 1,198,595.64 = 615,081.52 : x
  2. Step 2: Convert to fraction form
    870,168.88/1,198,595.64 = 615,081.52/x
  3. Step 3: Cross multiply
    870,168.88x = 1,198,595.64 × 615,081.52
  4. Step 4: Simplify right side
    870,168.88x = 737,234,028,116.57
  5. Step 5: Solve for x
    x = 737,234,028,116.57/870,168.88
  6. Step 6: Final answer
    x = 847,230.97

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Double scale
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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.