Home / 1,216,034.15-1,678,293.83-699,777.45

Finding the Fourth Proportional to 1,216,034.15, 1,678,293.83 and 699,777.45

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Solution

The fourth proportional to 1,216,034.15, 1,678,293.83 and 699,777.45 is: 965,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,034.15 : 1,678,293.83 = 699,777.45 : x
  2. Step 2: Convert to fraction form
    1,216,034.15/1,678,293.83 = 699,777.45/x
  3. Step 3: Cross multiply
    1,216,034.15x = 1,678,293.83 × 699,777.45
  4. Step 4: Simplify right side
    1,216,034.15x = 1,174,432,173,209.25
  5. Step 5: Solve for x
    x = 1,174,432,173,209.25/1,216,034.15
  6. Step 6: Final answer
    x = 965,788.81

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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.