Home / 1,545,764.94-2,133,279.45-857,504.70

Finding the Fourth Proportional to 1,545,764.94, 2,133,279.45 and 857,504.70

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Solution

The fourth proportional to 1,545,764.94, 2,133,279.45 and 857,504.70 is: 1,183,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,764.94 : 2,133,279.45 = 857,504.70 : x
  2. Step 2: Convert to fraction form
    1,545,764.94/2,133,279.45 = 857,504.70/x
  3. Step 3: Cross multiply
    1,545,764.94x = 2,133,279.45 × 857,504.70
  4. Step 4: Simplify right side
    1,545,764.94x = 1,829,297,154,788.42
  5. Step 5: Solve for x
    x = 1,829,297,154,788.42/1,545,764.94
  6. Step 6: Final answer
    x = 1,183,425.18

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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.