Home / 1,432,079.02-2,147,659.08-472,318.85

Finding the Fourth Proportional to 1,432,079.02, 2,147,659.08 and 472,318.85

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Solution

The fourth proportional to 1,432,079.02, 2,147,659.08 and 472,318.85 is: 708,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,079.02 : 2,147,659.08 = 472,318.85 : x
  2. Step 2: Convert to fraction form
    1,432,079.02/2,147,659.08 = 472,318.85/x
  3. Step 3: Cross multiply
    1,432,079.02x = 2,147,659.08 × 472,318.85
  4. Step 4: Simplify right side
    1,432,079.02x = 1,014,379,858,375.03
  5. Step 5: Solve for x
    x = 1,014,379,858,375.03/1,432,079.02
  6. Step 6: Final answer
    x = 708,326.74

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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.