Home / 1,605,021.52-2,214,921.56-869,972.83

Finding the Fourth Proportional to 1,605,021.52, 2,214,921.56 and 869,972.83

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Solution

The fourth proportional to 1,605,021.52, 2,214,921.56 and 869,972.83 is: 1,200,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,021.52 : 2,214,921.56 = 869,972.83 : x
  2. Step 2: Convert to fraction form
    1,605,021.52/2,214,921.56 = 869,972.83/x
  3. Step 3: Cross multiply
    1,605,021.52x = 2,214,921.56 × 869,972.83
  4. Step 4: Simplify right side
    1,605,021.52x = 1,926,921,574,418.84
  5. Step 5: Solve for x
    x = 1,926,921,574,418.84/1,605,021.52
  6. Step 6: Final answer
    x = 1,200,558.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.