Home / 816,095.80-1,221,378.90-816,095.80

Finding the Fourth Proportional to 816,095.80, 1,221,378.90 and 816,095.80

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Solution

The fourth proportional to 816,095.80, 1,221,378.90 and 816,095.80 is: 1,221,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,095.80 : 1,221,378.90 = 816,095.80 : x
  2. Step 2: Convert to fraction form
    816,095.80/1,221,378.90 = 816,095.80/x
  3. Step 3: Cross multiply
    816,095.80x = 1,221,378.90 × 816,095.80
  4. Step 4: Simplify right side
    816,095.80x = 996,762,190,498.62
  5. Step 5: Solve for x
    x = 996,762,190,498.62/816,095.80
  6. Step 6: Final answer
    x = 1,221,378.90

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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.