Home / 1,888,618.40-2,833,273.20-766,800.80

Finding the Fourth Proportional to 1,888,618.40, 2,833,273.20 and 766,800.80

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Solution

The fourth proportional to 1,888,618.40, 2,833,273.20 and 766,800.80 is: 1,150,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,618.40 : 2,833,273.20 = 766,800.80 : x
  2. Step 2: Convert to fraction form
    1,888,618.40/2,833,273.20 = 766,800.80/x
  3. Step 3: Cross multiply
    1,888,618.40x = 2,833,273.20 × 766,800.80
  4. Step 4: Simplify right side
    1,888,618.40x = 2,172,556,156,378.56
  5. Step 5: Solve for x
    x = 2,172,556,156,378.56/1,888,618.40
  6. Step 6: Final answer
    x = 1,150,341.52

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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.