Home / 1,241,979.05-1,862,968.57-400,530.80

Finding the Fourth Proportional to 1,241,979.05, 1,862,968.57 and 400,530.80

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Solution

The fourth proportional to 1,241,979.05, 1,862,968.57 and 400,530.80 is: 600,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,979.05 : 1,862,968.57 = 400,530.80 : x
  2. Step 2: Convert to fraction form
    1,241,979.05/1,862,968.57 = 400,530.80/x
  3. Step 3: Cross multiply
    1,241,979.05x = 1,862,968.57 × 400,530.80
  4. Step 4: Simplify right side
    1,241,979.05x = 746,176,295,373.05
  5. Step 5: Solve for x
    x = 746,176,295,373.05/1,241,979.05
  6. Step 6: Final answer
    x = 600,796.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.