Home / 827,118.88-1,240,794.48-406,411.36

Finding the Fourth Proportional to 827,118.88, 1,240,794.48 and 406,411.36

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Solution

The fourth proportional to 827,118.88, 1,240,794.48 and 406,411.36 is: 609,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,118.88 : 1,240,794.48 = 406,411.36 : x
  2. Step 2: Convert to fraction form
    827,118.88/1,240,794.48 = 406,411.36/x
  3. Step 3: Cross multiply
    827,118.88x = 1,240,794.48 × 406,411.36
  4. Step 4: Simplify right side
    827,118.88x = 504,272,972,097.29
  5. Step 5: Solve for x
    x = 504,272,972,097.29/827,118.88
  6. Step 6: Final answer
    x = 609,674.12

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1.5x scale

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.