Home / 1,357,414.19-1,873,557.81-776,973.83

Finding the Fourth Proportional to 1,357,414.19, 1,873,557.81 and 776,973.83

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Solution

The fourth proportional to 1,357,414.19, 1,873,557.81 and 776,973.83 is: 1,072,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,414.19 : 1,873,557.81 = 776,973.83 : x
  2. Step 2: Convert to fraction form
    1,357,414.19/1,873,557.81 = 776,973.83/x
  3. Step 3: Cross multiply
    1,357,414.19x = 1,873,557.81 × 776,973.83
  4. Step 4: Simplify right side
    1,357,414.19x = 1,455,705,380,735.78
  5. Step 5: Solve for x
    x = 1,455,705,380,735.78/1,357,414.19
  6. Step 6: Final answer
    x = 1,072,410.61

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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.