Home / 949,740.46-1,310,641.68-520,020.52

Finding the Fourth Proportional to 949,740.46, 1,310,641.68 and 520,020.52

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Solution

The fourth proportional to 949,740.46, 1,310,641.68 and 520,020.52 is: 717,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,740.46 : 1,310,641.68 = 520,020.52 : x
  2. Step 2: Convert to fraction form
    949,740.46/1,310,641.68 = 520,020.52/x
  3. Step 3: Cross multiply
    949,740.46x = 1,310,641.68 × 520,020.52
  4. Step 4: Simplify right side
    949,740.46x = 681,560,567,967.27
  5. Step 5: Solve for x
    x = 681,560,567,967.27/949,740.46
  6. Step 6: Final answer
    x = 717,628.23

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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.