Home / 976,544.20-1,464,816.30-345,521.80

Finding the Fourth Proportional to 976,544.20, 1,464,816.30 and 345,521.80

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Solution

The fourth proportional to 976,544.20, 1,464,816.30 and 345,521.80 is: 518,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,544.20 : 1,464,816.30 = 345,521.80 : x
  2. Step 2: Convert to fraction form
    976,544.20/1,464,816.30 = 345,521.80/x
  3. Step 3: Cross multiply
    976,544.20x = 1,464,816.30 × 345,521.80
  4. Step 4: Simplify right side
    976,544.20x = 506,125,964,645.34
  5. Step 5: Solve for x
    x = 506,125,964,645.34/976,544.20
  6. Step 6: Final answer
    x = 518,282.70

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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.