Home / 1,324,897.20-1,987,345.80-1,059,176.70

Finding the Fourth Proportional to 1,324,897.20, 1,987,345.80 and 1,059,176.70

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Solution

The fourth proportional to 1,324,897.20, 1,987,345.80 and 1,059,176.70 is: 1,588,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,897.20 : 1,987,345.80 = 1,059,176.70 : x
  2. Step 2: Convert to fraction form
    1,324,897.20/1,987,345.80 = 1,059,176.70/x
  3. Step 3: Cross multiply
    1,324,897.20x = 1,987,345.80 × 1,059,176.70
  4. Step 4: Simplify right side
    1,324,897.20x = 2,104,950,366,202.86
  5. Step 5: Solve for x
    x = 2,104,950,366,202.86/1,324,897.20
  6. Step 6: Final answer
    x = 1,588,765.05

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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.