Home / 709,745.13-1,064,785.51-229,972.14

Finding the Fourth Proportional to 709,745.13, 1,064,785.51 and 229,972.14

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Solution

The fourth proportional to 709,745.13, 1,064,785.51 and 229,972.14 is: 345,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,745.13 : 1,064,785.51 = 229,972.14 : x
  2. Step 2: Convert to fraction form
    709,745.13/1,064,785.51 = 229,972.14/x
  3. Step 3: Cross multiply
    709,745.13x = 1,064,785.51 × 229,972.14
  4. Step 4: Simplify right side
    709,745.13x = 244,871,001,225.83
  5. Step 5: Solve for x
    x = 244,871,001,225.83/709,745.13
  6. Step 6: Final answer
    x = 345,012.58

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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.