Home / 1,921,669.24-2,882,622.72-642,391.82

Finding the Fourth Proportional to 1,921,669.24, 2,882,622.72 and 642,391.82

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Solution

The fourth proportional to 1,921,669.24, 2,882,622.72 and 642,391.82 is: 963,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,669.24 : 2,882,622.72 = 642,391.82 : x
  2. Step 2: Convert to fraction form
    1,921,669.24/2,882,622.72 = 642,391.82/x
  3. Step 3: Cross multiply
    1,921,669.24x = 2,882,622.72 × 642,391.82
  4. Step 4: Simplify right side
    1,921,669.24x = 1,851,773,255,474.15
  5. Step 5: Solve for x
    x = 1,851,773,255,474.15/1,921,669.24
  6. Step 6: Final answer
    x = 963,627.47

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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.