Home / 1,677,499.20-2,516,248.80-415,326.84

Finding the Fourth Proportional to 1,677,499.20, 2,516,248.80 and 415,326.84

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Solution

The fourth proportional to 1,677,499.20, 2,516,248.80 and 415,326.84 is: 622,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,499.20 : 2,516,248.80 = 415,326.84 : x
  2. Step 2: Convert to fraction form
    1,677,499.20/2,516,248.80 = 415,326.84/x
  3. Step 3: Cross multiply
    1,677,499.20x = 2,516,248.80 × 415,326.84
  4. Step 4: Simplify right side
    1,677,499.20x = 1,045,065,662,757.79
  5. Step 5: Solve for x
    x = 1,045,065,662,757.79/1,677,499.20
  6. Step 6: Final answer
    x = 622,990.26

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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.