Home / 566,272.41-781,456.08-311,623.59

Finding the Fourth Proportional to 566,272.41, 781,456.08 and 311,623.59

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Solution

The fourth proportional to 566,272.41, 781,456.08 and 311,623.59 is: 430,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,272.41 : 781,456.08 = 311,623.59 : x
  2. Step 2: Convert to fraction form
    566,272.41/781,456.08 = 311,623.59/x
  3. Step 3: Cross multiply
    566,272.41x = 781,456.08 × 311,623.59
  4. Step 4: Simplify right side
    566,272.41x = 243,520,149,076.93
  5. Step 5: Solve for x
    x = 243,520,149,076.93/566,272.41
  6. Step 6: Final answer
    x = 430,040.64

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1.5x scale

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.