Home / 1,353,765.20-2,030,647.80-1,088,044.70

Finding the Fourth Proportional to 1,353,765.20, 2,030,647.80 and 1,088,044.70

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Solution

The fourth proportional to 1,353,765.20, 2,030,647.80 and 1,088,044.70 is: 1,632,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,765.20 : 2,030,647.80 = 1,088,044.70 : x
  2. Step 2: Convert to fraction form
    1,353,765.20/2,030,647.80 = 1,088,044.70/x
  3. Step 3: Cross multiply
    1,353,765.20x = 2,030,647.80 × 1,088,044.70
  4. Step 4: Simplify right side
    1,353,765.20x = 2,209,435,576,356.66
  5. Step 5: Solve for x
    x = 2,209,435,576,356.66/1,353,765.20
  6. Step 6: Final answer
    x = 1,632,067.05

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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.