Home / 949,758.56-1,310,667.13-520,065.91

Finding the Fourth Proportional to 949,758.56, 1,310,667.13 and 520,065.91

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Solution

The fourth proportional to 949,758.56, 1,310,667.13 and 520,065.91 is: 717,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,758.56 : 1,310,667.13 = 520,065.91 : x
  2. Step 2: Convert to fraction form
    949,758.56/1,310,667.13 = 520,065.91/x
  3. Step 3: Cross multiply
    949,758.56x = 1,310,667.13 × 520,065.91
  4. Step 4: Simplify right side
    949,758.56x = 681,633,293,670.54
  5. Step 5: Solve for x
    x = 681,633,293,670.54/949,758.56
  6. Step 6: Final answer
    x = 717,691.13

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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.