Home / 949,348.69-1,310,090.98-513,756.41

Finding the Fourth Proportional to 949,348.69, 1,310,090.98 and 513,756.41

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Solution

The fourth proportional to 949,348.69, 1,310,090.98 and 513,756.41 is: 708,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,348.69 : 1,310,090.98 = 513,756.41 : x
  2. Step 2: Convert to fraction form
    949,348.69/1,310,090.98 = 513,756.41/x
  3. Step 3: Cross multiply
    949,348.69x = 1,310,090.98 × 513,756.41
  4. Step 4: Simplify right side
    949,348.69x = 673,067,632,443.61
  5. Step 5: Solve for x
    x = 673,067,632,443.61/949,348.69
  6. Step 6: Final answer
    x = 708,978.31

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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.