Home / 925,679.65-1,277,556.09-517,804.15

Finding the Fourth Proportional to 925,679.65, 1,277,556.09 and 517,804.15

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Solution

The fourth proportional to 925,679.65, 1,277,556.09 and 517,804.15 is: 714,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,679.65 : 1,277,556.09 = 517,804.15 : x
  2. Step 2: Convert to fraction form
    925,679.65/1,277,556.09 = 517,804.15/x
  3. Step 3: Cross multiply
    925,679.65x = 1,277,556.09 × 517,804.15
  4. Step 4: Simplify right side
    925,679.65x = 661,523,845,259.77
  5. Step 5: Solve for x
    x = 661,523,845,259.77/925,679.65
  6. Step 6: Final answer
    x = 714,635.83

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1.5x scale

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.