Home / 1,284,838.52-1,929,023.22-654,176.12

Finding the Fourth Proportional to 1,284,838.52, 1,929,023.22 and 654,176.12

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Solution

The fourth proportional to 1,284,838.52, 1,929,023.22 and 654,176.12 is: 982,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,838.52 : 1,929,023.22 = 654,176.12 : x
  2. Step 2: Convert to fraction form
    1,284,838.52/1,929,023.22 = 654,176.12/x
  3. Step 3: Cross multiply
    1,284,838.52x = 1,929,023.22 × 654,176.12
  4. Step 4: Simplify right side
    1,284,838.52x = 1,261,920,925,449.51
  5. Step 5: Solve for x
    x = 1,261,920,925,449.51/1,284,838.52
  6. Step 6: Final answer
    x = 982,163.05

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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.