Home / 949,379.04-1,310,144.49-519,686.37

Finding the Fourth Proportional to 949,379.04, 1,310,144.49 and 519,686.37

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Solution

The fourth proportional to 949,379.04, 1,310,144.49 and 519,686.37 is: 717,167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,379.04 : 1,310,144.49 = 519,686.37 : x
  2. Step 2: Convert to fraction form
    949,379.04/1,310,144.49 = 519,686.37/x
  3. Step 3: Cross multiply
    949,379.04x = 1,310,144.49 × 519,686.37
  4. Step 4: Simplify right side
    949,379.04x = 680,864,234,183.60
  5. Step 5: Solve for x
    x = 680,864,234,183.60/949,379.04
  6. Step 6: Final answer
    x = 717,167.97

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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.