Home / 879,227.60-1,318,841.40-406,835.60

Finding the Fourth Proportional to 879,227.60, 1,318,841.40 and 406,835.60

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Solution

The fourth proportional to 879,227.60, 1,318,841.40 and 406,835.60 is: 610,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,227.60 : 1,318,841.40 = 406,835.60 : x
  2. Step 2: Convert to fraction form
    879,227.60/1,318,841.40 = 406,835.60/x
  3. Step 3: Cross multiply
    879,227.60x = 1,318,841.40 × 406,835.60
  4. Step 4: Simplify right side
    879,227.60x = 536,551,632,273.84
  5. Step 5: Solve for x
    x = 536,551,632,273.84/879,227.60
  6. Step 6: Final answer
    x = 610,253.40

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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.