Home / 949,533.74-1,310,354.38-519,810.11

Finding the Fourth Proportional to 949,533.74, 1,310,354.38 and 519,810.11

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Solution

The fourth proportional to 949,533.74, 1,310,354.38 and 519,810.11 is: 717,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,533.74 : 1,310,354.38 = 519,810.11 : x
  2. Step 2: Convert to fraction form
    949,533.74/1,310,354.38 = 519,810.11/x
  3. Step 3: Cross multiply
    949,533.74x = 1,310,354.38 × 519,810.11
  4. Step 4: Simplify right side
    949,533.74x = 681,135,454,406.78
  5. Step 5: Solve for x
    x = 681,135,454,406.78/949,533.74
  6. Step 6: Final answer
    x = 717,336.76

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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.