Home / 1,853,517.40-2,780,276.10-788,594.20

Finding the Fourth Proportional to 1,853,517.40, 2,780,276.10 and 788,594.20

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Solution

The fourth proportional to 1,853,517.40, 2,780,276.10 and 788,594.20 is: 1,182,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,517.40 : 2,780,276.10 = 788,594.20 : x
  2. Step 2: Convert to fraction form
    1,853,517.40/2,780,276.10 = 788,594.20/x
  3. Step 3: Cross multiply
    1,853,517.40x = 2,780,276.10 × 788,594.20
  4. Step 4: Simplify right side
    1,853,517.40x = 2,192,509,606,858.62
  5. Step 5: Solve for x
    x = 2,192,509,606,858.62/1,853,517.40
  6. Step 6: Final answer
    x = 1,182,891.30

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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.