Home / 888,122.42-1,225,621.86-500,956.30

Finding the Fourth Proportional to 888,122.42, 1,225,621.86 and 500,956.30

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Solution

The fourth proportional to 888,122.42, 1,225,621.86 and 500,956.30 is: 691,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,122.42 : 1,225,621.86 = 500,956.30 : x
  2. Step 2: Convert to fraction form
    888,122.42/1,225,621.86 = 500,956.30/x
  3. Step 3: Cross multiply
    888,122.42x = 1,225,621.86 × 500,956.30
  4. Step 4: Simplify right side
    888,122.42x = 613,982,992,184.72
  5. Step 5: Solve for x
    x = 613,982,992,184.72/888,122.42
  6. Step 6: Final answer
    x = 691,326.98

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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.