Home / 646,385.86-968,905.27-361,658.97

Finding the Fourth Proportional to 646,385.86, 968,905.27 and 361,658.97

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Solution

The fourth proportional to 646,385.86, 968,905.27 and 361,658.97 is: 542,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,385.86 : 968,905.27 = 361,658.97 : x
  2. Step 2: Convert to fraction form
    646,385.86/968,905.27 = 361,658.97/x
  3. Step 3: Cross multiply
    646,385.86x = 968,905.27 × 361,658.97
  4. Step 4: Simplify right side
    646,385.86x = 350,413,275,497.53
  5. Step 5: Solve for x
    x = 350,413,275,497.53/646,385.86
  6. Step 6: Final answer
    x = 542,111.60

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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.