Home / 1,557,191.52-2,335,061.52-809,036.64

Finding the Fourth Proportional to 1,557,191.52, 2,335,061.52 and 809,036.64

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Solution

The fourth proportional to 1,557,191.52, 2,335,061.52 and 809,036.64 is: 1,213,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,191.52 : 2,335,061.52 = 809,036.64 : x
  2. Step 2: Convert to fraction form
    1,557,191.52/2,335,061.52 = 809,036.64/x
  3. Step 3: Cross multiply
    1,557,191.52x = 2,335,061.52 × 809,036.64
  4. Step 4: Simplify right side
    1,557,191.52x = 1,889,150,326,334.09
  5. Step 5: Solve for x
    x = 1,889,150,326,334.09/1,557,191.52
  6. Step 6: Final answer
    x = 1,213,177.89

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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.