Home / 418,474.17-577,557.39-255,225.36

Finding the Fourth Proportional to 418,474.17, 577,557.39 and 255,225.36

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Solution

The fourth proportional to 418,474.17, 577,557.39 and 255,225.36 is: 352,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,474.17 : 577,557.39 = 255,225.36 : x
  2. Step 2: Convert to fraction form
    418,474.17/577,557.39 = 255,225.36/x
  3. Step 3: Cross multiply
    418,474.17x = 577,557.39 × 255,225.36
  4. Step 4: Simplify right side
    418,474.17x = 147,407,292,783.41
  5. Step 5: Solve for x
    x = 147,407,292,783.41/418,474.17
  6. Step 6: Final answer
    x = 352,249.44

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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.