Home / 932,879.76-1,399,419.54-258,963.88

Finding the Fourth Proportional to 932,879.76, 1,399,419.54 and 258,963.88

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Solution

The fourth proportional to 932,879.76, 1,399,419.54 and 258,963.88 is: 388,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,879.76 : 1,399,419.54 = 258,963.88 : x
  2. Step 2: Convert to fraction form
    932,879.76/1,399,419.54 = 258,963.88/x
  3. Step 3: Cross multiply
    932,879.76x = 1,399,419.54 × 258,963.88
  4. Step 4: Simplify right side
    932,879.76x = 362,399,113,826.22
  5. Step 5: Solve for x
    x = 362,399,113,826.22/932,879.76
  6. Step 6: Final answer
    x = 388,473.55

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1.5x scale

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.