Home / 867,097.50-1,196,615.80-485,149.02

Finding the Fourth Proportional to 867,097.50, 1,196,615.80 and 485,149.02

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Solution

The fourth proportional to 867,097.50, 1,196,615.80 and 485,149.02 is: 669,517.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,097.50 : 1,196,615.80 = 485,149.02 : x
  2. Step 2: Convert to fraction form
    867,097.50/1,196,615.80 = 485,149.02/x
  3. Step 3: Cross multiply
    867,097.50x = 1,196,615.80 × 485,149.02
  4. Step 4: Simplify right side
    867,097.50x = 580,536,982,686.52
  5. Step 5: Solve for x
    x = 580,536,982,686.52/867,097.50
  6. Step 6: Final answer
    x = 669,517.54

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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.