Home / 1,206,072.64-1,664,400.99-662,231.35

Finding the Fourth Proportional to 1,206,072.64, 1,664,400.99 and 662,231.35

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Solution

The fourth proportional to 1,206,072.64, 1,664,400.99 and 662,231.35 is: 913,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,072.64 : 1,664,400.99 = 662,231.35 : x
  2. Step 2: Convert to fraction form
    1,206,072.64/1,664,400.99 = 662,231.35/x
  3. Step 3: Cross multiply
    1,206,072.64x = 1,664,400.99 × 662,231.35
  4. Step 4: Simplify right side
    1,206,072.64x = 1,102,218,514,549.04
  5. Step 5: Solve for x
    x = 1,102,218,514,549.04/1,206,072.64
  6. Step 6: Final answer
    x = 913,890.65

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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.