Home / 709,699.75-1,063,459.33-481,698.86

Finding the Fourth Proportional to 709,699.75, 1,063,459.33 and 481,698.86

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Solution

The fourth proportional to 709,699.75, 1,063,459.33 and 481,698.86 is: 721,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,699.75 : 1,063,459.33 = 481,698.86 : x
  2. Step 2: Convert to fraction form
    709,699.75/1,063,459.33 = 481,698.86/x
  3. Step 3: Cross multiply
    709,699.75x = 1,063,459.33 × 481,698.86
  4. Step 4: Simplify right side
    709,699.75x = 512,267,140,395.82
  5. Step 5: Solve for x
    x = 512,267,140,395.82/709,699.75
  6. Step 6: Final answer
    x = 721,808.26

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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.