Home / 691,081.45-1,036,674.65-235,531.10

Finding the Fourth Proportional to 691,081.45, 1,036,674.65 and 235,531.10

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Solution

The fourth proportional to 691,081.45, 1,036,674.65 and 235,531.10 is: 353,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,081.45 : 1,036,674.65 = 235,531.10 : x
  2. Step 2: Convert to fraction form
    691,081.45/1,036,674.65 = 235,531.10/x
  3. Step 3: Cross multiply
    691,081.45x = 1,036,674.65 × 235,531.10
  4. Step 4: Simplify right side
    691,081.45x = 244,169,120,656.62
  5. Step 5: Solve for x
    x = 244,169,120,656.62/691,081.45
  6. Step 6: Final answer
    x = 353,314.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.