Home / 639,116.06-956,925.39-622,175.92

Finding the Fourth Proportional to 639,116.06, 956,925.39 and 622,175.92

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Solution

The fourth proportional to 639,116.06, 956,925.39 and 622,175.92 is: 931,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,116.06 : 956,925.39 = 622,175.92 : x
  2. Step 2: Convert to fraction form
    639,116.06/956,925.39 = 622,175.92/x
  3. Step 3: Cross multiply
    639,116.06x = 956,925.39 × 622,175.92
  4. Step 4: Simplify right side
    639,116.06x = 595,375,934,835.46
  5. Step 5: Solve for x
    x = 595,375,934,835.46/639,116.06
  6. Step 6: Final answer
    x = 931,561.54

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1.5x scale

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.