Home / 1,287,027.70-1,776,098.49-714,066.51

Finding the Fourth Proportional to 1,287,027.70, 1,776,098.49 and 714,066.51

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Solution

The fourth proportional to 1,287,027.70, 1,776,098.49 and 714,066.51 is: 985,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,027.70 : 1,776,098.49 = 714,066.51 : x
  2. Step 2: Convert to fraction form
    1,287,027.70/1,776,098.49 = 714,066.51/x
  3. Step 3: Cross multiply
    1,287,027.70x = 1,776,098.49 × 714,066.51
  4. Step 4: Simplify right side
    1,287,027.70x = 1,268,252,450,170.57
  5. Step 5: Solve for x
    x = 1,268,252,450,170.57/1,287,027.70
  6. Step 6: Final answer
    x = 985,411.93

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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.