Home / 658,155.40-987,233.10-184,856.20

Finding the Fourth Proportional to 658,155.40, 987,233.10 and 184,856.20

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Solution

The fourth proportional to 658,155.40, 987,233.10 and 184,856.20 is: 277,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,155.40 : 987,233.10 = 184,856.20 : x
  2. Step 2: Convert to fraction form
    658,155.40/987,233.10 = 184,856.20/x
  3. Step 3: Cross multiply
    658,155.40x = 987,233.10 × 184,856.20
  4. Step 4: Simplify right side
    658,155.40x = 182,496,159,380.22
  5. Step 5: Solve for x
    x = 182,496,159,380.22/658,155.40
  6. Step 6: Final answer
    x = 277,284.30

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Half scale
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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.