Home / 1,588,081.91-2,191,566.90-862,929.61

Finding the Fourth Proportional to 1,588,081.91, 2,191,566.90 and 862,929.61

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Solution

The fourth proportional to 1,588,081.91, 2,191,566.90 and 862,929.61 is: 1,190,850.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,081.91 : 2,191,566.90 = 862,929.61 : x
  2. Step 2: Convert to fraction form
    1,588,081.91/2,191,566.90 = 862,929.61/x
  3. Step 3: Cross multiply
    1,588,081.91x = 2,191,566.90 × 862,929.61
  4. Step 4: Simplify right side
    1,588,081.91x = 1,891,167,959,348.07
  5. Step 5: Solve for x
    x = 1,891,167,959,348.07/1,588,081.91
  6. Step 6: Final answer
    x = 1,190,850.39

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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.