Home / 822,404.40-1,233,606.60-402,500.40

Finding the Fourth Proportional to 822,404.40, 1,233,606.60 and 402,500.40

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Solution

The fourth proportional to 822,404.40, 1,233,606.60 and 402,500.40 is: 603,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,404.40 : 1,233,606.60 = 402,500.40 : x
  2. Step 2: Convert to fraction form
    822,404.40/1,233,606.60 = 402,500.40/x
  3. Step 3: Cross multiply
    822,404.40x = 1,233,606.60 × 402,500.40
  4. Step 4: Simplify right side
    822,404.40x = 496,527,149,942.64
  5. Step 5: Solve for x
    x = 496,527,149,942.64/822,404.40
  6. Step 6: Final answer
    x = 603,750.60

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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.