Home / 930,191.20-1,395,286.80-662,502.40

Finding the Fourth Proportional to 930,191.20, 1,395,286.80 and 662,502.40

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Solution

The fourth proportional to 930,191.20, 1,395,286.80 and 662,502.40 is: 993,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,191.20 : 1,395,286.80 = 662,502.40 : x
  2. Step 2: Convert to fraction form
    930,191.20/1,395,286.80 = 662,502.40/x
  3. Step 3: Cross multiply
    930,191.20x = 1,395,286.80 × 662,502.40
  4. Step 4: Simplify right side
    930,191.20x = 924,380,853,688.32
  5. Step 5: Solve for x
    x = 924,380,853,688.32/930,191.20
  6. Step 6: Final answer
    x = 993,753.60

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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.