Home / 925,689.96-1,277,026.02-639,610.92

Finding the Fourth Proportional to 925,689.96, 1,277,026.02 and 639,610.92

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Solution

The fourth proportional to 925,689.96, 1,277,026.02 and 639,610.92 is: 882,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,689.96 : 1,277,026.02 = 639,610.92 : x
  2. Step 2: Convert to fraction form
    925,689.96/1,277,026.02 = 639,610.92/x
  3. Step 3: Cross multiply
    925,689.96x = 1,277,026.02 × 639,610.92
  4. Step 4: Simplify right side
    925,689.96x = 816,799,787,516.14
  5. Step 5: Solve for x
    x = 816,799,787,516.14/925,689.96
  6. Step 6: Final answer
    x = 882,368.64

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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.