Home / 589,512.10-884,268.15-215,680.90

Finding the Fourth Proportional to 589,512.10, 884,268.15 and 215,680.90

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Solution

The fourth proportional to 589,512.10, 884,268.15 and 215,680.90 is: 323,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,512.10 : 884,268.15 = 215,680.90 : x
  2. Step 2: Convert to fraction form
    589,512.10/884,268.15 = 215,680.90/x
  3. Step 3: Cross multiply
    589,512.10x = 884,268.15 × 215,680.90
  4. Step 4: Simplify right side
    589,512.10x = 190,719,750,433.34
  5. Step 5: Solve for x
    x = 190,719,750,433.34/589,512.10
  6. Step 6: Final answer
    x = 323,521.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.