Home / 486,681.51-671,613.33-271,824.57

Finding the Fourth Proportional to 486,681.51, 671,613.33 and 271,824.57

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Solution

The fourth proportional to 486,681.51, 671,613.33 and 271,824.57 is: 375,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,681.51 : 671,613.33 = 271,824.57 : x
  2. Step 2: Convert to fraction form
    486,681.51/671,613.33 = 271,824.57/x
  3. Step 3: Cross multiply
    486,681.51x = 671,613.33 × 271,824.57
  4. Step 4: Simplify right side
    486,681.51x = 182,561,004,633.52
  5. Step 5: Solve for x
    x = 182,561,004,633.52/486,681.51
  6. Step 6: Final answer
    x = 375,113.91

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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.