Home / 628,854.79-943,149.94-202,428.76

Finding the Fourth Proportional to 628,854.79, 943,149.94 and 202,428.76

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Solution

The fourth proportional to 628,854.79, 943,149.94 and 202,428.76 is: 303,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,854.79 : 943,149.94 = 202,428.76 : x
  2. Step 2: Convert to fraction form
    628,854.79/943,149.94 = 202,428.76/x
  3. Step 3: Cross multiply
    628,854.79x = 943,149.94 × 202,428.76
  4. Step 4: Simplify right side
    628,854.79x = 190,920,672,848.27
  5. Step 5: Solve for x
    x = 190,920,672,848.27/628,854.79
  6. Step 6: Final answer
    x = 303,600.57

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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.