Home / 1,240,668.52-1,859,679.62-707,040.52

Finding the Fourth Proportional to 1,240,668.52, 1,859,679.62 and 707,040.52

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Solution

The fourth proportional to 1,240,668.52, 1,859,679.62 and 707,040.52 is: 1,059,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,668.52 : 1,859,679.62 = 707,040.52 : x
  2. Step 2: Convert to fraction form
    1,240,668.52/1,859,679.62 = 707,040.52/x
  3. Step 3: Cross multiply
    1,240,668.52x = 1,859,679.62 × 707,040.52
  4. Step 4: Simplify right side
    1,240,668.52x = 1,314,868,845,558.20
  5. Step 5: Solve for x
    x = 1,314,868,845,558.20/1,240,668.52
  6. Step 6: Final answer
    x = 1,059,806.73

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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.