Home / 877,788.89-1,211,447.18-495,840.27

Finding the Fourth Proportional to 877,788.89, 1,211,447.18 and 495,840.27

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Solution

The fourth proportional to 877,788.89, 1,211,447.18 and 495,840.27 is: 684,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,788.89 : 1,211,447.18 = 495,840.27 : x
  2. Step 2: Convert to fraction form
    877,788.89/1,211,447.18 = 495,840.27/x
  3. Step 3: Cross multiply
    877,788.89x = 1,211,447.18 × 495,840.27
  4. Step 4: Simplify right side
    877,788.89x = 600,684,296,821.94
  5. Step 5: Solve for x
    x = 600,684,296,821.94/877,788.89
  6. Step 6: Final answer
    x = 684,315.22

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1.5x scale

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.