Home / 1,115,450-1,539,278.88-606,141.44

Finding the Fourth Proportional to 1,115,450, 1,539,278.88 and 606,141.44

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Solution

The fourth proportional to 1,115,450, 1,539,278.88 and 606,141.44 is: 836,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,450 : 1,539,278.88 = 606,141.44 : x
  2. Step 2: Convert to fraction form
    1,115,450/1,539,278.88 = 606,141.44/x
  3. Step 3: Cross multiply
    1,115,450x = 1,539,278.88 × 606,141.44
  4. Step 4: Simplify right side
    1,115,450x = 933,020,716,884.79
  5. Step 5: Solve for x
    x = 933,020,716,884.79/1,115,450
  6. Step 6: Final answer
    x = 836,452.30

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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.