Home / 658,152.40-987,228.60-184,853.20

Finding the Fourth Proportional to 658,152.40, 987,228.60 and 184,853.20

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Solution

The fourth proportional to 658,152.40, 987,228.60 and 184,853.20 is: 277,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,152.40 : 987,228.60 = 184,853.20 : x
  2. Step 2: Convert to fraction form
    658,152.40/987,228.60 = 184,853.20/x
  3. Step 3: Cross multiply
    658,152.40x = 987,228.60 × 184,853.20
  4. Step 4: Simplify right side
    658,152.40x = 182,492,365,841.52
  5. Step 5: Solve for x
    x = 182,492,365,841.52/658,152.40
  6. Step 6: Final answer
    x = 277,279.80

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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.