Home / 418,789.77-577,927.26-227,803.92

Finding the Fourth Proportional to 418,789.77, 577,927.26 and 227,803.92

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Solution

The fourth proportional to 418,789.77, 577,927.26 and 227,803.92 is: 314,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,789.77 : 577,927.26 = 227,803.92 : x
  2. Step 2: Convert to fraction form
    418,789.77/577,927.26 = 227,803.92/x
  3. Step 3: Cross multiply
    418,789.77x = 577,927.26 × 227,803.92
  4. Step 4: Simplify right side
    418,789.77x = 131,654,095,302.86
  5. Step 5: Solve for x
    x = 131,654,095,302.86/418,789.77
  6. Step 6: Final answer
    x = 314,367.98

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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.