Home / 677,947.02-935,564.34-372,028.55

Finding the Fourth Proportional to 677,947.02, 935,564.34 and 372,028.55

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Solution

The fourth proportional to 677,947.02, 935,564.34 and 372,028.55 is: 513,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,947.02 : 935,564.34 = 372,028.55 : x
  2. Step 2: Convert to fraction form
    677,947.02/935,564.34 = 372,028.55/x
  3. Step 3: Cross multiply
    677,947.02x = 935,564.34 × 372,028.55
  4. Step 4: Simplify right side
    677,947.02x = 348,056,644,841.91
  5. Step 5: Solve for x
    x = 348,056,644,841.91/677,947.02
  6. Step 6: Final answer
    x = 513,398.00

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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.