Home / 949,036.74-1,309,667.15-513,452.69

Finding the Fourth Proportional to 949,036.74, 1,309,667.15 and 513,452.69

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Solution

The fourth proportional to 949,036.74, 1,309,667.15 and 513,452.69 is: 708,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,036.74 : 1,309,667.15 = 513,452.69 : x
  2. Step 2: Convert to fraction form
    949,036.74/1,309,667.15 = 513,452.69/x
  3. Step 3: Cross multiply
    949,036.74x = 1,309,667.15 × 513,452.69
  4. Step 4: Simplify right side
    949,036.74x = 672,452,121,172.13
  5. Step 5: Solve for x
    x = 672,452,121,172.13/949,036.74
  6. Step 6: Final answer
    x = 708,562.79

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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.