Home / 949,436.11-1,310,223.53-519,742.55

Finding the Fourth Proportional to 949,436.11, 1,310,223.53 and 519,742.55

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Solution

The fourth proportional to 949,436.11, 1,310,223.53 and 519,742.55 is: 717,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,436.11 : 1,310,223.53 = 519,742.55 : x
  2. Step 2: Convert to fraction form
    949,436.11/1,310,223.53 = 519,742.55/x
  3. Step 3: Cross multiply
    949,436.11x = 1,310,223.53 × 519,742.55
  4. Step 4: Simplify right side
    949,436.11x = 680,978,918,552.20
  5. Step 5: Solve for x
    x = 680,978,918,552.20/949,436.11
  6. Step 6: Final answer
    x = 717,245.65

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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.