Home / 853,906.86-1,178,934.89-532,089.81

Finding the Fourth Proportional to 853,906.86, 1,178,934.89 and 532,089.81

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Solution

The fourth proportional to 853,906.86, 1,178,934.89 and 532,089.81 is: 734,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,906.86 : 1,178,934.89 = 532,089.81 : x
  2. Step 2: Convert to fraction form
    853,906.86/1,178,934.89 = 532,089.81/x
  3. Step 3: Cross multiply
    853,906.86x = 1,178,934.89 × 532,089.81
  4. Step 4: Simplify right side
    853,906.86x = 627,299,238,962.02
  5. Step 5: Solve for x
    x = 627,299,238,962.02/853,906.86
  6. Step 6: Final answer
    x = 734,622.55

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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.