Home / 849,098.80-1,273,648.20-816,439.60

Finding the Fourth Proportional to 849,098.80, 1,273,648.20 and 816,439.60

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Solution

The fourth proportional to 849,098.80, 1,273,648.20 and 816,439.60 is: 1,224,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,098.80 : 1,273,648.20 = 816,439.60 : x
  2. Step 2: Convert to fraction form
    849,098.80/1,273,648.20 = 816,439.60/x
  3. Step 3: Cross multiply
    849,098.80x = 1,273,648.20 × 816,439.60
  4. Step 4: Simplify right side
    849,098.80x = 1,039,856,826,948.72
  5. Step 5: Solve for x
    x = 1,039,856,826,948.72/849,098.80
  6. Step 6: Final answer
    x = 1,224,659.40

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1.5x scale

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.