Home / 720,077.18-1,080,268.86-246,635.42

Finding the Fourth Proportional to 720,077.18, 1,080,268.86 and 246,635.42

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Solution

The fourth proportional to 720,077.18, 1,080,268.86 and 246,635.42 is: 370,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,077.18 : 1,080,268.86 = 246,635.42 : x
  2. Step 2: Convert to fraction form
    720,077.18/1,080,268.86 = 246,635.42/x
  3. Step 3: Cross multiply
    720,077.18x = 1,080,268.86 × 246,635.42
  4. Step 4: Simplify right side
    720,077.18x = 266,432,563,999.02
  5. Step 5: Solve for x
    x = 266,432,563,999.02/720,077.18
  6. Step 6: Final answer
    x = 370,005.57

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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.