Home / 669,332.80-1,003,999.20-576,020.80

Finding the Fourth Proportional to 669,332.80, 1,003,999.20 and 576,020.80

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Solution

The fourth proportional to 669,332.80, 1,003,999.20 and 576,020.80 is: 864,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,332.80 : 1,003,999.20 = 576,020.80 : x
  2. Step 2: Convert to fraction form
    669,332.80/1,003,999.20 = 576,020.80/x
  3. Step 3: Cross multiply
    669,332.80x = 1,003,999.20 × 576,020.80
  4. Step 4: Simplify right side
    669,332.80x = 578,324,422,383.36
  5. Step 5: Solve for x
    x = 578,324,422,383.36/669,332.80
  6. Step 6: Final answer
    x = 864,031.20

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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.