Home / 1,154,450.64-1,593,147.78-645,161.52

Finding the Fourth Proportional to 1,154,450.64, 1,593,147.78 and 645,161.52

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Solution

The fourth proportional to 1,154,450.64, 1,593,147.78 and 645,161.52 is: 890,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,450.64 : 1,593,147.78 = 645,161.52 : x
  2. Step 2: Convert to fraction form
    1,154,450.64/1,593,147.78 = 645,161.52/x
  3. Step 3: Cross multiply
    1,154,450.64x = 1,593,147.78 × 645,161.52
  4. Step 4: Simplify right side
    1,154,450.64x = 1,027,837,643,329.43
  5. Step 5: Solve for x
    x = 1,027,837,643,329.43/1,154,450.64
  6. Step 6: Final answer
    x = 890,326.19

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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.