Home / 1,866,131.10-2,799,640.90-603,958.74

Finding the Fourth Proportional to 1,866,131.10, 2,799,640.90 and 603,958.74

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Solution

The fourth proportional to 1,866,131.10, 2,799,640.90 and 603,958.74 is: 906,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,131.10 : 2,799,640.90 = 603,958.74 : x
  2. Step 2: Convert to fraction form
    1,866,131.10/2,799,640.90 = 603,958.74/x
  3. Step 3: Cross multiply
    1,866,131.10x = 2,799,640.90 × 603,958.74
  4. Step 4: Simplify right side
    1,866,131.10x = 1,690,867,590,416.47
  5. Step 5: Solve for x
    x = 1,690,867,590,416.47/1,866,131.10
  6. Step 6: Final answer
    x = 906,081.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.