Home / 949,458.39-1,310,256.11-519,778.50

Finding the Fourth Proportional to 949,458.39, 1,310,256.11 and 519,778.50

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Solution

The fourth proportional to 949,458.39, 1,310,256.11 and 519,778.50 is: 717,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,458.39 : 1,310,256.11 = 519,778.50 : x
  2. Step 2: Convert to fraction form
    949,458.39/1,310,256.11 = 519,778.50/x
  3. Step 3: Cross multiply
    949,458.39x = 1,310,256.11 × 519,778.50
  4. Step 4: Simplify right side
    949,458.39x = 681,042,948,920.36
  5. Step 5: Solve for x
    x = 681,042,948,920.36/949,458.39
  6. Step 6: Final answer
    x = 717,296.26

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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.