Home / 1,287,026.70-1,776,097.11-714,065.51

Finding the Fourth Proportional to 1,287,026.70, 1,776,097.11 and 714,065.51

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Solution

The fourth proportional to 1,287,026.70, 1,776,097.11 and 714,065.51 is: 985,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,026.70 : 1,776,097.11 = 714,065.51 : x
  2. Step 2: Convert to fraction form
    1,287,026.70/1,776,097.11 = 714,065.51/x
  3. Step 3: Cross multiply
    1,287,026.70x = 1,776,097.11 × 714,065.51
  4. Step 4: Simplify right side
    1,287,026.70x = 1,268,249,679,781.19
  5. Step 5: Solve for x
    x = 1,268,249,679,781.19/1,287,026.70
  6. Step 6: Final answer
    x = 985,410.54

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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.