Home / 1,253,156.04-1,729,058.83-709,291.76

Finding the Fourth Proportional to 1,253,156.04, 1,729,058.83 and 709,291.76

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Solution

The fourth proportional to 1,253,156.04, 1,729,058.83 and 709,291.76 is: 978,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,156.04 : 1,729,058.83 = 709,291.76 : x
  2. Step 2: Convert to fraction form
    1,253,156.04/1,729,058.83 = 709,291.76/x
  3. Step 3: Cross multiply
    1,253,156.04x = 1,729,058.83 × 709,291.76
  4. Step 4: Simplify right side
    1,253,156.04x = 1,226,407,183,223.66
  5. Step 5: Solve for x
    x = 1,226,407,183,223.66/1,253,156.04
  6. Step 6: Final answer
    x = 978,654.81

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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.