Home / 1,394,985.78-2,091,750.84-496,296.45

Finding the Fourth Proportional to 1,394,985.78, 2,091,750.84 and 496,296.45

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Solution

The fourth proportional to 1,394,985.78, 2,091,750.84 and 496,296.45 is: 744,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,985.78 : 2,091,750.84 = 496,296.45 : x
  2. Step 2: Convert to fraction form
    1,394,985.78/2,091,750.84 = 496,296.45/x
  3. Step 3: Cross multiply
    1,394,985.78x = 2,091,750.84 × 496,296.45
  4. Step 4: Simplify right side
    1,394,985.78x = 1,038,128,516,176.52
  5. Step 5: Solve for x
    x = 1,038,128,516,176.52/1,394,985.78
  6. Step 6: Final answer
    x = 744,185.73

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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.