Home / 1,253,514.16-1,729,956.64-709,745.76

Finding the Fourth Proportional to 1,253,514.16, 1,729,956.64 and 709,745.76

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Solution

The fourth proportional to 1,253,514.16, 1,729,956.64 and 709,745.76 is: 979,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,514.16 : 1,729,956.64 = 709,745.76 : x
  2. Step 2: Convert to fraction form
    1,253,514.16/1,729,956.64 = 709,745.76/x
  3. Step 3: Cross multiply
    1,253,514.16x = 1,729,956.64 × 709,745.76
  4. Step 4: Simplify right side
    1,253,514.16x = 1,227,829,390,223.85
  5. Step 5: Solve for x
    x = 1,227,829,390,223.85/1,253,514.16
  6. Step 6: Final answer
    x = 979,509.79

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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.