Home / 1,579,280.59-2,179,407.22-854,128.31

Finding the Fourth Proportional to 1,579,280.59, 2,179,407.22 and 854,128.31

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Solution

The fourth proportional to 1,579,280.59, 2,179,407.22 and 854,128.31 is: 1,178,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,280.59 : 2,179,407.22 = 854,128.31 : x
  2. Step 2: Convert to fraction form
    1,579,280.59/2,179,407.22 = 854,128.31/x
  3. Step 3: Cross multiply
    1,579,280.59x = 2,179,407.22 × 854,128.31
  4. Step 4: Simplify right side
    1,579,280.59x = 1,861,493,395,901.24
  5. Step 5: Solve for x
    x = 1,861,493,395,901.24/1,579,280.59
  6. Step 6: Final answer
    x = 1,178,697.06

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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.