Home / 925,897.57-1,277,729.22-512,435.15

Finding the Fourth Proportional to 925,897.57, 1,277,729.22 and 512,435.15

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Solution

The fourth proportional to 925,897.57, 1,277,729.22 and 512,435.15 is: 707,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,897.57 : 1,277,729.22 = 512,435.15 : x
  2. Step 2: Convert to fraction form
    925,897.57/1,277,729.22 = 512,435.15/x
  3. Step 3: Cross multiply
    925,897.57x = 1,277,729.22 × 512,435.15
  4. Step 4: Simplify right side
    925,897.57x = 654,753,364,510.08
  5. Step 5: Solve for x
    x = 654,753,364,510.08/925,897.57
  6. Step 6: Final answer
    x = 707,155.29

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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.