Home / 1,557,119.92-2,148,828.60-841,727.92

Finding the Fourth Proportional to 1,557,119.92, 2,148,828.60 and 841,727.92

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Solution

The fourth proportional to 1,557,119.92, 2,148,828.60 and 841,727.92 is: 1,161,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,119.92 : 2,148,828.60 = 841,727.92 : x
  2. Step 2: Convert to fraction form
    1,557,119.92/2,148,828.60 = 841,727.92/x
  3. Step 3: Cross multiply
    1,557,119.92x = 2,148,828.60 × 841,727.92
  4. Step 4: Simplify right side
    1,557,119.92x = 1,808,729,027,914.51
  5. Step 5: Solve for x
    x = 1,808,729,027,914.51/1,557,119.92
  6. Step 6: Final answer
    x = 1,161,586.21

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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.