Home / 1,132,594.72-1,562,949.28-642,653.44

Finding the Fourth Proportional to 1,132,594.72, 1,562,949.28 and 642,653.44

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Solution

The fourth proportional to 1,132,594.72, 1,562,949.28 and 642,653.44 is: 886,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,594.72 : 1,562,949.28 = 642,653.44 : x
  2. Step 2: Convert to fraction form
    1,132,594.72/1,562,949.28 = 642,653.44/x
  3. Step 3: Cross multiply
    1,132,594.72x = 1,562,949.28 × 642,653.44
  4. Step 4: Simplify right side
    1,132,594.72x = 1,004,434,731,337.52
  5. Step 5: Solve for x
    x = 1,004,434,731,337.52/1,132,594.72
  6. Step 6: Final answer
    x = 886,843.91

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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.