Home / 656,051.60-984,077.40-212,819.60

Finding the Fourth Proportional to 656,051.60, 984,077.40 and 212,819.60

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Solution

The fourth proportional to 656,051.60, 984,077.40 and 212,819.60 is: 319,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,051.60 : 984,077.40 = 212,819.60 : x
  2. Step 2: Convert to fraction form
    656,051.60/984,077.40 = 212,819.60/x
  3. Step 3: Cross multiply
    656,051.60x = 984,077.40 × 212,819.60
  4. Step 4: Simplify right side
    656,051.60x = 209,430,958,637.04
  5. Step 5: Solve for x
    x = 209,430,958,637.04/656,051.60
  6. Step 6: Final answer
    x = 319,229.40

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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.