Home / 709,089.75-1,063,643.89-235,775.11

Finding the Fourth Proportional to 709,089.75, 1,063,643.89 and 235,775.11

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Solution

The fourth proportional to 709,089.75, 1,063,643.89 and 235,775.11 is: 353,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,089.75 : 1,063,643.89 = 235,775.11 : x
  2. Step 2: Convert to fraction form
    709,089.75/1,063,643.89 = 235,775.11/x
  3. Step 3: Cross multiply
    709,089.75x = 1,063,643.89 × 235,775.11
  4. Step 4: Simplify right side
    709,089.75x = 250,780,753,986.70
  5. Step 5: Solve for x
    x = 250,780,753,986.70/709,089.75
  6. Step 6: Final answer
    x = 353,665.74

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Double scale
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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.