Home / 1,138,919.40-1,706,410.80-538,587.90

Finding the Fourth Proportional to 1,138,919.40, 1,706,410.80 and 538,587.90

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Solution

The fourth proportional to 1,138,919.40, 1,706,410.80 and 538,587.90 is: 806,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,919.40 : 1,706,410.80 = 538,587.90 : x
  2. Step 2: Convert to fraction form
    1,138,919.40/1,706,410.80 = 538,587.90/x
  3. Step 3: Cross multiply
    1,138,919.40x = 1,706,410.80 × 538,587.90
  4. Step 4: Simplify right side
    1,138,919.40x = 919,052,209,309.32
  5. Step 5: Solve for x
    x = 919,052,209,309.32/1,138,919.40
  6. Step 6: Final answer
    x = 806,951.05

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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.