Home / 1,656,667.56-2,485,032.45-519,404.55

Finding the Fourth Proportional to 1,656,667.56, 2,485,032.45 and 519,404.55

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Solution

The fourth proportional to 1,656,667.56, 2,485,032.45 and 519,404.55 is: 779,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,667.56 : 2,485,032.45 = 519,404.55 : x
  2. Step 2: Convert to fraction form
    1,656,667.56/2,485,032.45 = 519,404.55/x
  3. Step 3: Cross multiply
    1,656,667.56x = 2,485,032.45 × 519,404.55
  4. Step 4: Simplify right side
    1,656,667.56x = 1,290,737,161,427.65
  5. Step 5: Solve for x
    x = 1,290,737,161,427.65/1,656,667.56
  6. Step 6: Final answer
    x = 779,116.58

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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.