Home / 1,581,685.22-2,182,726.78-856,533.74

Finding the Fourth Proportional to 1,581,685.22, 2,182,726.78 and 856,533.74

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Solution

The fourth proportional to 1,581,685.22, 2,182,726.78 and 856,533.74 is: 1,182,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,685.22 : 2,182,726.78 = 856,533.74 : x
  2. Step 2: Convert to fraction form
    1,581,685.22/2,182,726.78 = 856,533.74/x
  3. Step 3: Cross multiply
    1,581,685.22x = 2,182,726.78 × 856,533.74
  4. Step 4: Simplify right side
    1,581,685.22x = 1,869,579,119,216.59
  5. Step 5: Solve for x
    x = 1,869,579,119,216.59/1,581,685.22
  6. Step 6: Final answer
    x = 1,182,017.19

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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.