Home / 635,040.49-876,367.20-348,587.23

Finding the Fourth Proportional to 635,040.49, 876,367.20 and 348,587.23

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Solution

The fourth proportional to 635,040.49, 876,367.20 and 348,587.23 is: 481,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,040.49 : 876,367.20 = 348,587.23 : x
  2. Step 2: Convert to fraction form
    635,040.49/876,367.20 = 348,587.23/x
  3. Step 3: Cross multiply
    635,040.49x = 876,367.20 × 348,587.23
  4. Step 4: Simplify right side
    635,040.49x = 305,490,414,710.86
  5. Step 5: Solve for x
    x = 305,490,414,710.86/635,040.49
  6. Step 6: Final answer
    x = 481,056.59

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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.