Home / 739,188.62-1,020,081.74-399,656.86

Finding the Fourth Proportional to 739,188.62, 1,020,081.74 and 399,656.86

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Solution

The fourth proportional to 739,188.62, 1,020,081.74 and 399,656.86 is: 551,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,188.62 : 1,020,081.74 = 399,656.86 : x
  2. Step 2: Convert to fraction form
    739,188.62/1,020,081.74 = 399,656.86/x
  3. Step 3: Cross multiply
    739,188.62x = 1,020,081.74 × 399,656.86
  4. Step 4: Simplify right side
    739,188.62x = 407,682,665,151.74
  5. Step 5: Solve for x
    x = 407,682,665,151.74/739,188.62
  6. Step 6: Final answer
    x = 551,527.25

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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.