Home / 977,122.20-1,465,612.65-303,186.30

Finding the Fourth Proportional to 977,122.20, 1,465,612.65 and 303,186.30

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Solution

The fourth proportional to 977,122.20, 1,465,612.65 and 303,186.30 is: 454,757.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,122.20 : 1,465,612.65 = 303,186.30 : x
  2. Step 2: Convert to fraction form
    977,122.20/1,465,612.65 = 303,186.30/x
  3. Step 3: Cross multiply
    977,122.20x = 1,465,612.65 × 303,186.30
  4. Step 4: Simplify right side
    977,122.20x = 444,353,676,586.70
  5. Step 5: Solve for x
    x = 444,353,676,586.70/977,122.20
  6. Step 6: Final answer
    x = 454,757.53

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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.