Home / 417,939.84-576,904.14-248,172.76

Finding the Fourth Proportional to 417,939.84, 576,904.14 and 248,172.76

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Solution

The fourth proportional to 417,939.84, 576,904.14 and 248,172.76 is: 342,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,939.84 : 576,904.14 = 248,172.76 : x
  2. Step 2: Convert to fraction form
    417,939.84/576,904.14 = 248,172.76/x
  3. Step 3: Cross multiply
    417,939.84x = 576,904.14 × 248,172.76
  4. Step 4: Simplify right side
    417,939.84x = 143,171,892,679.23
  5. Step 5: Solve for x
    x = 143,171,892,679.23/417,939.84
  6. Step 6: Final answer
    x = 342,565.79

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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.