Home / 418,257.81-577,194.69-227,271.22

Finding the Fourth Proportional to 418,257.81, 577,194.69 and 227,271.22

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Solution

The fourth proportional to 418,257.81, 577,194.69 and 227,271.22 is: 313,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,257.81 : 577,194.69 = 227,271.22 : x
  2. Step 2: Convert to fraction form
    418,257.81/577,194.69 = 227,271.22/x
  3. Step 3: Cross multiply
    418,257.81x = 577,194.69 × 227,271.22
  4. Step 4: Simplify right side
    418,257.81x = 131,179,740,783.10
  5. Step 5: Solve for x
    x = 131,179,740,783.10/418,257.81
  6. Step 6: Final answer
    x = 313,633.69

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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.