Home / 578,061.60-867,092.40-298,125.60

Finding the Fourth Proportional to 578,061.60, 867,092.40 and 298,125.60

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Solution

The fourth proportional to 578,061.60, 867,092.40 and 298,125.60 is: 447,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,061.60 : 867,092.40 = 298,125.60 : x
  2. Step 2: Convert to fraction form
    578,061.60/867,092.40 = 298,125.60/x
  3. Step 3: Cross multiply
    578,061.60x = 867,092.40 × 298,125.60
  4. Step 4: Simplify right side
    578,061.60x = 258,502,442,005.44
  5. Step 5: Solve for x
    x = 258,502,442,005.44/578,061.60
  6. Step 6: Final answer
    x = 447,188.40

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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.