Home / 1,806,201.79-2,709,290.38-439,959.20

Finding the Fourth Proportional to 1,806,201.79, 2,709,290.38 and 439,959.20

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Solution

The fourth proportional to 1,806,201.79, 2,709,290.38 and 439,959.20 is: 659,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,201.79 : 2,709,290.38 = 439,959.20 : x
  2. Step 2: Convert to fraction form
    1,806,201.79/2,709,290.38 = 439,959.20/x
  3. Step 3: Cross multiply
    1,806,201.79x = 2,709,290.38 × 439,959.20
  4. Step 4: Simplify right side
    1,806,201.79x = 1,191,977,214,331.07
  5. Step 5: Solve for x
    x = 1,191,977,214,331.07/1,806,201.79
  6. Step 6: Final answer
    x = 659,935.80

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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.