Home / 698,711.11-1,048,008.22-193,278.31

Finding the Fourth Proportional to 698,711.11, 1,048,008.22 and 193,278.31

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Solution

The fourth proportional to 698,711.11, 1,048,008.22 and 193,278.31 is: 289,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,711.11 : 1,048,008.22 = 193,278.31 : x
  2. Step 2: Convert to fraction form
    698,711.11/1,048,008.22 = 193,278.31/x
  3. Step 3: Cross multiply
    698,711.11x = 1,048,008.22 × 193,278.31
  4. Step 4: Simplify right side
    698,711.11x = 202,557,254,524.49
  5. Step 5: Solve for x
    x = 202,557,254,524.49/698,711.11
  6. Step 6: Final answer
    x = 289,901.29

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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.