Home / 867,687.40-1,301,531.10-584,252.20

Finding the Fourth Proportional to 867,687.40, 1,301,531.10 and 584,252.20

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Solution

The fourth proportional to 867,687.40, 1,301,531.10 and 584,252.20 is: 876,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,687.40 : 1,301,531.10 = 584,252.20 : x
  2. Step 2: Convert to fraction form
    867,687.40/1,301,531.10 = 584,252.20/x
  3. Step 3: Cross multiply
    867,687.40x = 1,301,531.10 × 584,252.20
  4. Step 4: Simplify right side
    867,687.40x = 760,422,408,543.42
  5. Step 5: Solve for x
    x = 760,422,408,543.42/867,687.40
  6. Step 6: Final answer
    x = 876,378.30

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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.