Home / 816,079.80-1,221,354.90-816,079.80

Finding the Fourth Proportional to 816,079.80, 1,221,354.90 and 816,079.80

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Solution

The fourth proportional to 816,079.80, 1,221,354.90 and 816,079.80 is: 1,221,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,079.80 : 1,221,354.90 = 816,079.80 : x
  2. Step 2: Convert to fraction form
    816,079.80/1,221,354.90 = 816,079.80/x
  3. Step 3: Cross multiply
    816,079.80x = 1,221,354.90 × 816,079.80
  4. Step 4: Simplify right side
    816,079.80x = 996,723,062,521.02
  5. Step 5: Solve for x
    x = 996,723,062,521.02/816,079.80
  6. Step 6: Final answer
    x = 1,221,354.90

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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.