Home / 345,949.38-477,399.32-202,804.76

Finding the Fourth Proportional to 345,949.38, 477,399.32 and 202,804.76

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Solution

The fourth proportional to 345,949.38, 477,399.32 and 202,804.76 is: 279,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,949.38 : 477,399.32 = 202,804.76 : x
  2. Step 2: Convert to fraction form
    345,949.38/477,399.32 = 202,804.76/x
  3. Step 3: Cross multiply
    345,949.38x = 477,399.32 × 202,804.76
  4. Step 4: Simplify right side
    345,949.38x = 96,818,855,456.76
  5. Step 5: Solve for x
    x = 96,818,855,456.76/345,949.38
  6. Step 6: Final answer
    x = 279,864.23

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1.5x scale

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.