Home / 397,947.48-597,030.39-117,464.64

Finding the Fourth Proportional to 397,947.48, 597,030.39 and 117,464.64

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Solution

The fourth proportional to 397,947.48, 597,030.39 and 117,464.64 is: 176,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,947.48 : 597,030.39 = 117,464.64 : x
  2. Step 2: Convert to fraction form
    397,947.48/597,030.39 = 117,464.64/x
  3. Step 3: Cross multiply
    397,947.48x = 597,030.39 × 117,464.64
  4. Step 4: Simplify right side
    397,947.48x = 70,129,959,830.41
  5. Step 5: Solve for x
    x = 70,129,959,830.41/397,947.48
  6. Step 6: Final answer
    x = 176,229.18

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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.