Home / 628,701.51-943,052.56-207,977.38

Finding the Fourth Proportional to 628,701.51, 943,052.56 and 207,977.38

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Solution

The fourth proportional to 628,701.51, 943,052.56 and 207,977.38 is: 311,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,701.51 : 943,052.56 = 207,977.38 : x
  2. Step 2: Convert to fraction form
    628,701.51/943,052.56 = 207,977.38/x
  3. Step 3: Cross multiply
    628,701.51x = 943,052.56 × 207,977.38
  4. Step 4: Simplify right side
    628,701.51x = 196,133,600,631.09
  5. Step 5: Solve for x
    x = 196,133,600,631.09/628,701.51
  6. Step 6: Final answer
    x = 311,966.17

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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.