Home / 1,159,605.72-1,739,822.90-705,121.61

Finding the Fourth Proportional to 1,159,605.72, 1,739,822.90 and 705,121.61

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Solution

The fourth proportional to 1,159,605.72, 1,739,822.90 and 705,121.61 is: 1,057,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,605.72 : 1,739,822.90 = 705,121.61 : x
  2. Step 2: Convert to fraction form
    1,159,605.72/1,739,822.90 = 705,121.61/x
  3. Step 3: Cross multiply
    1,159,605.72x = 1,739,822.90 × 705,121.61
  4. Step 4: Simplify right side
    1,159,605.72x = 1,226,786,712,138.15
  5. Step 5: Solve for x
    x = 1,226,786,712,138.15/1,159,605.72
  6. Step 6: Final answer
    x = 1,057,934.34

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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.