Home / 877,787.89-1,211,445.80-495,839.27

Finding the Fourth Proportional to 877,787.89, 1,211,445.80 and 495,839.27

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Solution

The fourth proportional to 877,787.89, 1,211,445.80 and 495,839.27 is: 684,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,787.89 : 1,211,445.80 = 495,839.27 : x
  2. Step 2: Convert to fraction form
    877,787.89/1,211,445.80 = 495,839.27/x
  3. Step 3: Cross multiply
    877,787.89x = 1,211,445.80 × 495,839.27
  4. Step 4: Simplify right side
    877,787.89x = 600,682,401,116.57
  5. Step 5: Solve for x
    x = 600,682,401,116.57/877,787.89
  6. Step 6: Final answer
    x = 684,313.84

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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.