Home / 1,805,779.72-2,708,665.92-439,542.59

Finding the Fourth Proportional to 1,805,779.72, 2,708,665.92 and 439,542.59

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Solution

The fourth proportional to 1,805,779.72, 2,708,665.92 and 439,542.59 is: 659,312.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,779.72 : 2,708,665.92 = 439,542.59 : x
  2. Step 2: Convert to fraction form
    1,805,779.72/2,708,665.92 = 439,542.59/x
  3. Step 3: Cross multiply
    1,805,779.72x = 2,708,665.92 × 439,542.59
  4. Step 4: Simplify right side
    1,805,779.72x = 1,190,574,033,921.53
  5. Step 5: Solve for x
    x = 1,190,574,033,921.53/1,805,779.72
  6. Step 6: Final answer
    x = 659,312.99

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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.