Home / 417,977.28-576,812.88-226,994.40

Finding the Fourth Proportional to 417,977.28, 576,812.88 and 226,994.40

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Solution

The fourth proportional to 417,977.28, 576,812.88 and 226,994.40 is: 313,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,977.28 : 576,812.88 = 226,994.40 : x
  2. Step 2: Convert to fraction form
    417,977.28/576,812.88 = 226,994.40/x
  3. Step 3: Cross multiply
    417,977.28x = 576,812.88 × 226,994.40
  4. Step 4: Simplify right side
    417,977.28x = 130,933,293,607.87
  5. Step 5: Solve for x
    x = 130,933,293,607.87/417,977.28
  6. Step 6: Final answer
    x = 313,254.57

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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.