Home / 1,066,613.92-1,471,950.26-636,813.88

Finding the Fourth Proportional to 1,066,613.92, 1,471,950.26 and 636,813.88

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Solution

The fourth proportional to 1,066,613.92, 1,471,950.26 and 636,813.88 is: 878,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,613.92 : 1,471,950.26 = 636,813.88 : x
  2. Step 2: Convert to fraction form
    1,066,613.92/1,471,950.26 = 636,813.88/x
  3. Step 3: Cross multiply
    1,066,613.92x = 1,471,950.26 × 636,813.88
  4. Step 4: Simplify right side
    1,066,613.92x = 937,358,356,237.61
  5. Step 5: Solve for x
    x = 937,358,356,237.61/1,066,613.92
  6. Step 6: Final answer
    x = 878,816.92

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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.