Home / 1,581,678.81-2,182,717.95-856,527.33

Finding the Fourth Proportional to 1,581,678.81, 2,182,717.95 and 856,527.33

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Solution

The fourth proportional to 1,581,678.81, 2,182,717.95 and 856,527.33 is: 1,182,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,678.81 : 2,182,717.95 = 856,527.33 : x
  2. Step 2: Convert to fraction form
    1,581,678.81/2,182,717.95 = 856,527.33/x
  3. Step 3: Cross multiply
    1,581,678.81x = 2,182,717.95 × 856,527.33
  4. Step 4: Simplify right side
    1,581,678.81x = 1,869,557,577,856.57
  5. Step 5: Solve for x
    x = 1,869,557,577,856.57/1,581,678.81
  6. Step 6: Final answer
    x = 1,182,008.36

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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.