Home / 1,579,316.90-2,179,457.30-854,164.64

Finding the Fourth Proportional to 1,579,316.90, 2,179,457.30 and 854,164.64

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Solution

The fourth proportional to 1,579,316.90, 2,179,457.30 and 854,164.64 is: 1,178,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,316.90 : 2,179,457.30 = 854,164.64 : x
  2. Step 2: Convert to fraction form
    1,579,316.90/2,179,457.30 = 854,164.64/x
  3. Step 3: Cross multiply
    1,579,316.90x = 2,179,457.30 × 854,164.64
  4. Step 4: Simplify right side
    1,579,316.90x = 1,861,615,367,633.93
  5. Step 5: Solve for x
    x = 1,861,615,367,633.93/1,579,316.90
  6. Step 6: Final answer
    x = 1,178,747.20

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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.