Home / 769,981.19-1,062,543.56-425,794.77

Finding the Fourth Proportional to 769,981.19, 1,062,543.56 and 425,794.77

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Solution

The fourth proportional to 769,981.19, 1,062,543.56 and 425,794.77 is: 587,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,981.19 : 1,062,543.56 = 425,794.77 : x
  2. Step 2: Convert to fraction form
    769,981.19/1,062,543.56 = 425,794.77/x
  3. Step 3: Cross multiply
    769,981.19x = 1,062,543.56 × 425,794.77
  4. Step 4: Simplify right side
    769,981.19x = 452,425,488,616.21
  5. Step 5: Solve for x
    x = 452,425,488,616.21/769,981.19
  6. Step 6: Final answer
    x = 587,579.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.