Home / 1,244,967.40-1,867,451.10-403,604.20

Finding the Fourth Proportional to 1,244,967.40, 1,867,451.10 and 403,604.20

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Solution

The fourth proportional to 1,244,967.40, 1,867,451.10 and 403,604.20 is: 605,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,967.40 : 1,867,451.10 = 403,604.20 : x
  2. Step 2: Convert to fraction form
    1,244,967.40/1,867,451.10 = 403,604.20/x
  3. Step 3: Cross multiply
    1,244,967.40x = 1,867,451.10 × 403,604.20
  4. Step 4: Simplify right side
    1,244,967.40x = 753,711,107,254.62
  5. Step 5: Solve for x
    x = 753,711,107,254.62/1,244,967.40
  6. Step 6: Final answer
    x = 605,406.30

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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.