Home / 515,445.98-772,858.32-231,085.10

Finding the Fourth Proportional to 515,445.98, 772,858.32 and 231,085.10

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Solution

The fourth proportional to 515,445.98, 772,858.32 and 231,085.10 is: 346,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,445.98 : 772,858.32 = 231,085.10 : x
  2. Step 2: Convert to fraction form
    515,445.98/772,858.32 = 231,085.10/x
  3. Step 3: Cross multiply
    515,445.98x = 772,858.32 × 231,085.10
  4. Step 4: Simplify right side
    515,445.98x = 178,596,042,163.03
  5. Step 5: Solve for x
    x = 178,596,042,163.03/515,445.98
  6. Step 6: Final answer
    x = 346,488.38

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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.