Home / 870,164.88-1,198,590.12-615,077.52

Finding the Fourth Proportional to 870,164.88, 1,198,590.12 and 615,077.52

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Solution

The fourth proportional to 870,164.88, 1,198,590.12 and 615,077.52 is: 847,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,164.88 : 1,198,590.12 = 615,077.52 : x
  2. Step 2: Convert to fraction form
    870,164.88/1,198,590.12 = 615,077.52/x
  3. Step 3: Cross multiply
    870,164.88x = 1,198,590.12 × 615,077.52
  4. Step 4: Simplify right side
    870,164.88x = 737,225,838,506.10
  5. Step 5: Solve for x
    x = 737,225,838,506.10/870,164.88
  6. Step 6: Final answer
    x = 847,225.46

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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.