Home / 1,066,436.19-1,471,699.41-636,753.87

Finding the Fourth Proportional to 1,066,436.19, 1,471,699.41 and 636,753.87

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Solution

The fourth proportional to 1,066,436.19, 1,471,699.41 and 636,753.87 is: 878,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,436.19 : 1,471,699.41 = 636,753.87 : x
  2. Step 2: Convert to fraction form
    1,066,436.19/1,471,699.41 = 636,753.87/x
  3. Step 3: Cross multiply
    1,066,436.19x = 1,471,699.41 × 636,753.87
  4. Step 4: Simplify right side
    1,066,436.19x = 937,110,294,794.22
  5. Step 5: Solve for x
    x = 937,110,294,794.22/1,066,436.19
  6. Step 6: Final answer
    x = 878,730.77

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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.