Home / 862,615.65-1,190,414.31-500,254.35

Finding the Fourth Proportional to 862,615.65, 1,190,414.31 and 500,254.35

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Solution

The fourth proportional to 862,615.65, 1,190,414.31 and 500,254.35 is: 690,353.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,615.65 : 1,190,414.31 = 500,254.35 : x
  2. Step 2: Convert to fraction form
    862,615.65/1,190,414.31 = 500,254.35/x
  3. Step 3: Cross multiply
    862,615.65x = 1,190,414.31 × 500,254.35
  4. Step 4: Simplify right side
    862,615.65x = 595,509,936,879.75
  5. Step 5: Solve for x
    x = 595,509,936,879.75/862,615.65
  6. Step 6: Final answer
    x = 690,353.74

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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.