Home / 949,435.11-1,310,222.15-519,741.55

Finding the Fourth Proportional to 949,435.11, 1,310,222.15 and 519,741.55

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Solution

The fourth proportional to 949,435.11, 1,310,222.15 and 519,741.55 is: 717,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,435.11 : 1,310,222.15 = 519,741.55 : x
  2. Step 2: Convert to fraction form
    949,435.11/1,310,222.15 = 519,741.55/x
  3. Step 3: Cross multiply
    949,435.11x = 1,310,222.15 × 519,741.55
  4. Step 4: Simplify right side
    949,435.11x = 680,976,891,085.33
  5. Step 5: Solve for x
    x = 680,976,891,085.33/949,435.11
  6. Step 6: Final answer
    x = 717,244.27

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Double scale
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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.