Home / 1,938,150.82-2,907,306.39-571,924.53

Finding the Fourth Proportional to 1,938,150.82, 2,907,306.39 and 571,924.53

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Solution

The fourth proportional to 1,938,150.82, 2,907,306.39 and 571,924.53 is: 857,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,150.82 : 2,907,306.39 = 571,924.53 : x
  2. Step 2: Convert to fraction form
    1,938,150.82/2,907,306.39 = 571,924.53/x
  3. Step 3: Cross multiply
    1,938,150.82x = 2,907,306.39 × 571,924.53
  4. Step 4: Simplify right side
    1,938,150.82x = 1,662,759,840,666.75
  5. Step 5: Solve for x
    x = 1,662,759,840,666.75/1,938,150.82
  6. Step 6: Final answer
    x = 857,910.45

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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.