Home / 949,774.32-1,310,630.76-520,059.60

Finding the Fourth Proportional to 949,774.32, 1,310,630.76 and 520,059.60

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Solution

The fourth proportional to 949,774.32, 1,310,630.76 and 520,059.60 is: 717,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,774.32 : 1,310,630.76 = 520,059.60 : x
  2. Step 2: Convert to fraction form
    949,774.32/1,310,630.76 = 520,059.60/x
  3. Step 3: Cross multiply
    949,774.32x = 1,310,630.76 × 520,059.60
  4. Step 4: Simplify right side
    949,774.32x = 681,606,108,793.30
  5. Step 5: Solve for x
    x = 681,606,108,793.30/949,774.32
  6. Step 6: Final answer
    x = 717,650.60

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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.