Home / 624,176.51-861,363.29-352,301.43

Finding the Fourth Proportional to 624,176.51, 861,363.29 and 352,301.43

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Solution

The fourth proportional to 624,176.51, 861,363.29 and 352,301.43 is: 486,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,176.51 : 861,363.29 = 352,301.43 : x
  2. Step 2: Convert to fraction form
    624,176.51/861,363.29 = 352,301.43/x
  3. Step 3: Cross multiply
    624,176.51x = 861,363.29 × 352,301.43
  4. Step 4: Simplify right side
    624,176.51x = 303,459,512,748.18
  5. Step 5: Solve for x
    x = 303,459,512,748.18/624,176.51
  6. Step 6: Final answer
    x = 486,175.80

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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.