Home / 1,511,029.28-2,085,296.98-857,701.10

Finding the Fourth Proportional to 1,511,029.28, 2,085,296.98 and 857,701.10

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Solution

The fourth proportional to 1,511,029.28, 2,085,296.98 and 857,701.10 is: 1,183,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,029.28 : 2,085,296.98 = 857,701.10 : x
  2. Step 2: Convert to fraction form
    1,511,029.28/2,085,296.98 = 857,701.10/x
  3. Step 3: Cross multiply
    1,511,029.28x = 2,085,296.98 × 857,701.10
  4. Step 4: Simplify right side
    1,511,029.28x = 1,788,561,513,572.68
  5. Step 5: Solve for x
    x = 1,788,561,513,572.68/1,511,029.28
  6. Step 6: Final answer
    x = 1,183,670.98

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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.