Home / 1,109,939.67-1,531,716.75-600,642.05

Finding the Fourth Proportional to 1,109,939.67, 1,531,716.75 and 600,642.05

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Solution

The fourth proportional to 1,109,939.67, 1,531,716.75 and 600,642.05 is: 828,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,939.67 : 1,531,716.75 = 600,642.05 : x
  2. Step 2: Convert to fraction form
    1,109,939.67/1,531,716.75 = 600,642.05/x
  3. Step 3: Cross multiply
    1,109,939.67x = 1,531,716.75 × 600,642.05
  4. Step 4: Simplify right side
    1,109,939.67x = 920,013,488,739.34
  5. Step 5: Solve for x
    x = 920,013,488,739.34/1,109,939.67
  6. Step 6: Final answer
    x = 828,886.03

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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.