Home / 1,959,555.90-2,939,348.43-539,689.89

Finding the Fourth Proportional to 1,959,555.90, 2,939,348.43 and 539,689.89

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Solution

The fourth proportional to 1,959,555.90, 2,939,348.43 and 539,689.89 is: 809,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,555.90 : 2,939,348.43 = 539,689.89 : x
  2. Step 2: Convert to fraction form
    1,959,555.90/2,939,348.43 = 539,689.89/x
  3. Step 3: Cross multiply
    1,959,555.90x = 2,939,348.43 × 539,689.89
  4. Step 4: Simplify right side
    1,959,555.90x = 1,586,336,613,463.18
  5. Step 5: Solve for x
    x = 1,586,336,613,463.18/1,959,555.90
  6. Step 6: Final answer
    x = 809,538.84

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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.