Home / 1,078,631.92-1,488,468.53-595,190.78

Finding the Fourth Proportional to 1,078,631.92, 1,488,468.53 and 595,190.78

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Solution

The fourth proportional to 1,078,631.92, 1,488,468.53 and 595,190.78 is: 821,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,631.92 : 1,488,468.53 = 595,190.78 : x
  2. Step 2: Convert to fraction form
    1,078,631.92/1,488,468.53 = 595,190.78/x
  3. Step 3: Cross multiply
    1,078,631.92x = 1,488,468.53 × 595,190.78
  4. Step 4: Simplify right side
    1,078,631.92x = 885,922,734,957.86
  5. Step 5: Solve for x
    x = 885,922,734,957.86/1,078,631.92
  6. Step 6: Final answer
    x = 821,339.25

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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.