Home / 889,311.11-1,226,942.66-502,078.19

Finding the Fourth Proportional to 889,311.11, 1,226,942.66 and 502,078.19

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Solution

The fourth proportional to 889,311.11, 1,226,942.66 and 502,078.19 is: 692,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,311.11 : 1,226,942.66 = 502,078.19 : x
  2. Step 2: Convert to fraction form
    889,311.11/1,226,942.66 = 502,078.19/x
  3. Step 3: Cross multiply
    889,311.11x = 1,226,942.66 × 502,078.19
  4. Step 4: Simplify right side
    889,311.11x = 616,021,147,456.20
  5. Step 5: Solve for x
    x = 616,021,147,456.20/889,311.11
  6. Step 6: Final answer
    x = 692,694.76

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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.