Home / 401,701.68-554,397.48-231,935.52

Finding the Fourth Proportional to 401,701.68, 554,397.48 and 231,935.52

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Solution

The fourth proportional to 401,701.68, 554,397.48 and 231,935.52 is: 320,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,701.68 : 554,397.48 = 231,935.52 : x
  2. Step 2: Convert to fraction form
    401,701.68/554,397.48 = 231,935.52/x
  3. Step 3: Cross multiply
    401,701.68x = 554,397.48 × 231,935.52
  4. Step 4: Simplify right side
    401,701.68x = 128,584,467,810.49
  5. Step 5: Solve for x
    x = 128,584,467,810.49/401,701.68
  6. Step 6: Final answer
    x = 320,099.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.