Home / 418,332.18-577,085.88-273,222.98

Finding the Fourth Proportional to 418,332.18, 577,085.88 and 273,222.98

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Solution

The fourth proportional to 418,332.18, 577,085.88 and 273,222.98 is: 376,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,332.18 : 577,085.88 = 273,222.98 : x
  2. Step 2: Convert to fraction form
    418,332.18/577,085.88 = 273,222.98/x
  3. Step 3: Cross multiply
    418,332.18x = 577,085.88 × 273,222.98
  4. Step 4: Simplify right side
    418,332.18x = 157,673,123,849.52
  5. Step 5: Solve for x
    x = 157,673,123,849.52/418,332.18
  6. Step 6: Final answer
    x = 376,908.90

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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.