Home / 628,700.13-943,050.50-207,976.01

Finding the Fourth Proportional to 628,700.13, 943,050.50 and 207,976.01

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Solution

The fourth proportional to 628,700.13, 943,050.50 and 207,976.01 is: 311,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,700.13 : 943,050.50 = 207,976.01 : x
  2. Step 2: Convert to fraction form
    628,700.13/943,050.50 = 207,976.01/x
  3. Step 3: Cross multiply
    628,700.13x = 943,050.50 × 207,976.01
  4. Step 4: Simplify right side
    628,700.13x = 196,131,875,243.28
  5. Step 5: Solve for x
    x = 196,131,875,243.28/628,700.13
  6. Step 6: Final answer
    x = 311,964.11

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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.