Home / 691,234.61-953,923.97-404,727.89

Finding the Fourth Proportional to 691,234.61, 953,923.97 and 404,727.89

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Solution

The fourth proportional to 691,234.61, 953,923.97 and 404,727.89 is: 558,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,234.61 : 953,923.97 = 404,727.89 : x
  2. Step 2: Convert to fraction form
    691,234.61/953,923.97 = 404,727.89/x
  3. Step 3: Cross multiply
    691,234.61x = 953,923.97 × 404,727.89
  4. Step 4: Simplify right side
    691,234.61x = 386,079,631,840.72
  5. Step 5: Solve for x
    x = 386,079,631,840.72/691,234.61
  6. Step 6: Final answer
    x = 558,536.32

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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.