Home / 515,523.83-772,975.11-231,162.91

Finding the Fourth Proportional to 515,523.83, 772,975.11 and 231,162.91

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Solution

The fourth proportional to 515,523.83, 772,975.11 and 231,162.91 is: 346,605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,523.83 : 772,975.11 = 231,162.91 : x
  2. Step 2: Convert to fraction form
    515,523.83/772,975.11 = 231,162.91/x
  3. Step 3: Cross multiply
    515,523.83x = 772,975.11 × 231,162.91
  4. Step 4: Simplify right side
    515,523.83x = 178,683,175,785.17
  5. Step 5: Solve for x
    x = 178,683,175,785.17/515,523.83
  6. Step 6: Final answer
    x = 346,605.08

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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.