Home / 1,066,454.19-1,471,724.34-636,771.87

Finding the Fourth Proportional to 1,066,454.19, 1,471,724.34 and 636,771.87

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Solution

The fourth proportional to 1,066,454.19, 1,471,724.34 and 636,771.87 is: 878,755.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,454.19 : 1,471,724.34 = 636,771.87 : x
  2. Step 2: Convert to fraction form
    1,066,454.19/1,471,724.34 = 636,771.87/x
  3. Step 3: Cross multiply
    1,066,454.19x = 1,471,724.34 × 636,771.87
  4. Step 4: Simplify right side
    1,066,454.19x = 937,152,660,106.32
  5. Step 5: Solve for x
    x = 937,152,660,106.32/1,066,454.19
  6. Step 6: Final answer
    x = 878,755.66

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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.