Home / 386,574.48-533,478.72-233,591.28

Finding the Fourth Proportional to 386,574.48, 533,478.72 and 233,591.28

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Solution

The fourth proportional to 386,574.48, 533,478.72 and 233,591.28 is: 322,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,574.48 : 533,478.72 = 233,591.28 : x
  2. Step 2: Convert to fraction form
    386,574.48/533,478.72 = 233,591.28/x
  3. Step 3: Cross multiply
    386,574.48x = 533,478.72 × 233,591.28
  4. Step 4: Simplify right side
    386,574.48x = 124,615,977,057.56
  5. Step 5: Solve for x
    x = 124,615,977,057.56/386,574.48
  6. Step 6: Final answer
    x = 322,359.55

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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.