Home / 577,280.93-796,630.55-322,631.51

Finding the Fourth Proportional to 577,280.93, 796,630.55 and 322,631.51

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Solution

The fourth proportional to 577,280.93, 796,630.55 and 322,631.51 is: 445,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,280.93 : 796,630.55 = 322,631.51 : x
  2. Step 2: Convert to fraction form
    577,280.93/796,630.55 = 322,631.51/x
  3. Step 3: Cross multiply
    577,280.93x = 796,630.55 × 322,631.51
  4. Step 4: Simplify right side
    577,280.93x = 257,018,111,662.32
  5. Step 5: Solve for x
    x = 257,018,111,662.32/577,280.93
  6. Step 6: Final answer
    x = 445,221.90

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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.