Home / 663,066.20-994,599.30-164,430.20

Finding the Fourth Proportional to 663,066.20, 994,599.30 and 164,430.20

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Solution

The fourth proportional to 663,066.20, 994,599.30 and 164,430.20 is: 246,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,066.20 : 994,599.30 = 164,430.20 : x
  2. Step 2: Convert to fraction form
    663,066.20/994,599.30 = 164,430.20/x
  3. Step 3: Cross multiply
    663,066.20x = 994,599.30 × 164,430.20
  4. Step 4: Simplify right side
    663,066.20x = 163,542,161,818.86
  5. Step 5: Solve for x
    x = 163,542,161,818.86/663,066.20
  6. Step 6: Final answer
    x = 246,645.30

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Half scale
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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.