Home / 526,078.40-789,117.60-146,998.40

Finding the Fourth Proportional to 526,078.40, 789,117.60 and 146,998.40

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Solution

The fourth proportional to 526,078.40, 789,117.60 and 146,998.40 is: 220,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,078.40 : 789,117.60 = 146,998.40 : x
  2. Step 2: Convert to fraction form
    526,078.40/789,117.60 = 146,998.40/x
  3. Step 3: Cross multiply
    526,078.40x = 789,117.60 × 146,998.40
  4. Step 4: Simplify right side
    526,078.40x = 115,999,024,611.84
  5. Step 5: Solve for x
    x = 115,999,024,611.84/526,078.40
  6. Step 6: Final answer
    x = 220,497.60

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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.