Home / 584,315.07-878,013.79-314,642.60

Finding the Fourth Proportional to 584,315.07, 878,013.79 and 314,642.60

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Solution

The fourth proportional to 584,315.07, 878,013.79 and 314,642.60 is: 472,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,315.07 : 878,013.79 = 314,642.60 : x
  2. Step 2: Convert to fraction form
    584,315.07/878,013.79 = 314,642.60/x
  3. Step 3: Cross multiply
    584,315.07x = 878,013.79 × 314,642.60
  4. Step 4: Simplify right side
    584,315.07x = 276,260,536,544.78
  5. Step 5: Solve for x
    x = 276,260,536,544.78/584,315.07
  6. Step 6: Final answer
    x = 472,793.79

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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.