Home / 1,115,825.50-1,673,895.88-357,489.58

Finding the Fourth Proportional to 1,115,825.50, 1,673,895.88 and 357,489.58

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Solution

The fourth proportional to 1,115,825.50, 1,673,895.88 and 357,489.58 is: 536,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,825.50 : 1,673,895.88 = 357,489.58 : x
  2. Step 2: Convert to fraction form
    1,115,825.50/1,673,895.88 = 357,489.58/x
  3. Step 3: Cross multiply
    1,115,825.50x = 1,673,895.88 × 357,489.58
  4. Step 4: Simplify right side
    1,115,825.50x = 598,400,329,797.78
  5. Step 5: Solve for x
    x = 598,400,329,797.78/1,115,825.50
  6. Step 6: Final answer
    x = 536,284.87

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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.