Home / 1,036,154.82-1,429,500.42-628,107.78

Finding the Fourth Proportional to 1,036,154.82, 1,429,500.42 and 628,107.78

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Solution

The fourth proportional to 1,036,154.82, 1,429,500.42 and 628,107.78 is: 866,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,154.82 : 1,429,500.42 = 628,107.78 : x
  2. Step 2: Convert to fraction form
    1,036,154.82/1,429,500.42 = 628,107.78/x
  3. Step 3: Cross multiply
    1,036,154.82x = 1,429,500.42 × 628,107.78
  4. Step 4: Simplify right side
    1,036,154.82x = 897,880,335,315.27
  5. Step 5: Solve for x
    x = 897,880,335,315.27/1,036,154.82
  6. Step 6: Final answer
    x = 866,550.36

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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.