Home / 996,376.60-1,494,564.90-397,430.20

Finding the Fourth Proportional to 996,376.60, 1,494,564.90 and 397,430.20

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Solution

The fourth proportional to 996,376.60, 1,494,564.90 and 397,430.20 is: 596,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,376.60 : 1,494,564.90 = 397,430.20 : x
  2. Step 2: Convert to fraction form
    996,376.60/1,494,564.90 = 397,430.20/x
  3. Step 3: Cross multiply
    996,376.60x = 1,494,564.90 × 397,430.20
  4. Step 4: Simplify right side
    996,376.60x = 593,985,227,119.98
  5. Step 5: Solve for x
    x = 593,985,227,119.98/996,376.60
  6. Step 6: Final answer
    x = 596,145.30

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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.