Home / 487,260.54-730,969.65-150,222.39

Finding the Fourth Proportional to 487,260.54, 730,969.65 and 150,222.39

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Solution

The fourth proportional to 487,260.54, 730,969.65 and 150,222.39 is: 225,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,260.54 : 730,969.65 = 150,222.39 : x
  2. Step 2: Convert to fraction form
    487,260.54/730,969.65 = 150,222.39/x
  3. Step 3: Cross multiply
    487,260.54x = 730,969.65 × 150,222.39
  4. Step 4: Simplify right side
    487,260.54x = 109,808,007,840.46
  5. Step 5: Solve for x
    x = 109,808,007,840.46/487,260.54
  6. Step 6: Final answer
    x = 225,357.89

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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.