Home / 1,182,535.20-1,631,898.32-638,670.96

Finding the Fourth Proportional to 1,182,535.20, 1,631,898.32 and 638,670.96

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Solution

The fourth proportional to 1,182,535.20, 1,631,898.32 and 638,670.96 is: 881,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,535.20 : 1,631,898.32 = 638,670.96 : x
  2. Step 2: Convert to fraction form
    1,182,535.20/1,631,898.32 = 638,670.96/x
  3. Step 3: Cross multiply
    1,182,535.20x = 1,631,898.32 × 638,670.96
  4. Step 4: Simplify right side
    1,182,535.20x = 1,042,246,066,656.79
  5. Step 5: Solve for x
    x = 1,042,246,066,656.79/1,182,535.20
  6. Step 6: Final answer
    x = 881,365.79

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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.