Home / 461,458.10-692,187.15-343,360.10

Finding the Fourth Proportional to 461,458.10, 692,187.15 and 343,360.10

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Solution

The fourth proportional to 461,458.10, 692,187.15 and 343,360.10 is: 515,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,458.10 : 692,187.15 = 343,360.10 : x
  2. Step 2: Convert to fraction form
    461,458.10/692,187.15 = 343,360.10/x
  3. Step 3: Cross multiply
    461,458.10x = 692,187.15 × 343,360.10
  4. Step 4: Simplify right side
    461,458.10x = 237,669,449,042.72
  5. Step 5: Solve for x
    x = 237,669,449,042.72/461,458.10
  6. Step 6: Final answer
    x = 515,040.15

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Similar ratio
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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.