Home / 467,938.20-645,754.71-253,078.26

Finding the Fourth Proportional to 467,938.20, 645,754.71 and 253,078.26

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Solution

The fourth proportional to 467,938.20, 645,754.71 and 253,078.26 is: 349,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,938.20 : 645,754.71 = 253,078.26 : x
  2. Step 2: Convert to fraction form
    467,938.20/645,754.71 = 253,078.26/x
  3. Step 3: Cross multiply
    467,938.20x = 645,754.71 × 253,078.26
  4. Step 4: Simplify right side
    467,938.20x = 163,426,478,393.61
  5. Step 5: Solve for x
    x = 163,426,478,393.61/467,938.20
  6. Step 6: Final answer
    x = 349,248.00

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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.