Home / 976,004.80-1,464,007.20-503,612.80

Finding the Fourth Proportional to 976,004.80, 1,464,007.20 and 503,612.80

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Solution

The fourth proportional to 976,004.80, 1,464,007.20 and 503,612.80 is: 755,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,004.80 : 1,464,007.20 = 503,612.80 : x
  2. Step 2: Convert to fraction form
    976,004.80/1,464,007.20 = 503,612.80/x
  3. Step 3: Cross multiply
    976,004.80x = 1,464,007.20 × 503,612.80
  4. Step 4: Simplify right side
    976,004.80x = 737,292,765,212.16
  5. Step 5: Solve for x
    x = 737,292,765,212.16/976,004.80
  6. Step 6: Final answer
    x = 755,419.20

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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.