Home / 853,977.17-1,177,534.90-698,444.21

Finding the Fourth Proportional to 853,977.17, 1,177,534.90 and 698,444.21

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Solution

The fourth proportional to 853,977.17, 1,177,534.90 and 698,444.21 is: 963,073.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,977.17 : 1,177,534.90 = 698,444.21 : x
  2. Step 2: Convert to fraction form
    853,977.17/1,177,534.90 = 698,444.21/x
  3. Step 3: Cross multiply
    853,977.17x = 1,177,534.90 × 698,444.21
  4. Step 4: Simplify right side
    853,977.17x = 822,442,436,794.82
  5. Step 5: Solve for x
    x = 822,442,436,794.82/853,977.17
  6. Step 6: Final answer
    x = 963,073.09

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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.