Home / 635,534.31-876,823.96-359,854.55

Finding the Fourth Proportional to 635,534.31, 876,823.96 and 359,854.55

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Solution

The fourth proportional to 635,534.31, 876,823.96 and 359,854.55 is: 496,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,534.31 : 876,823.96 = 359,854.55 : x
  2. Step 2: Convert to fraction form
    635,534.31/876,823.96 = 359,854.55/x
  3. Step 3: Cross multiply
    635,534.31x = 876,823.96 × 359,854.55
  4. Step 4: Simplify right side
    635,534.31x = 315,529,089,755.75
  5. Step 5: Solve for x
    x = 315,529,089,755.75/635,534.31
  6. Step 6: Final answer
    x = 496,478.45

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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.