Home / 1,686,505.05-2,327,432.13-961,339.59

Finding the Fourth Proportional to 1,686,505.05, 2,327,432.13 and 961,339.59

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Solution

The fourth proportional to 1,686,505.05, 2,327,432.13 and 961,339.59 is: 1,326,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,505.05 : 2,327,432.13 = 961,339.59 : x
  2. Step 2: Convert to fraction form
    1,686,505.05/2,327,432.13 = 961,339.59/x
  3. Step 3: Cross multiply
    1,686,505.05x = 2,327,432.13 × 961,339.59
  4. Step 4: Simplify right side
    1,686,505.05x = 2,237,452,649,607.03
  5. Step 5: Solve for x
    x = 2,237,452,649,607.03/1,686,505.05
  6. Step 6: Final answer
    x = 1,326,680.08

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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.