Home / 1,656,352.80-2,285,713.92-931,231.20

Finding the Fourth Proportional to 1,656,352.80, 2,285,713.92 and 931,231.20

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Solution

The fourth proportional to 1,656,352.80, 2,285,713.92 and 931,231.20 is: 1,285,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,352.80 : 2,285,713.92 = 931,231.20 : x
  2. Step 2: Convert to fraction form
    1,656,352.80/2,285,713.92 = 931,231.20/x
  3. Step 3: Cross multiply
    1,656,352.80x = 2,285,713.92 × 931,231.20
  4. Step 4: Simplify right side
    1,656,352.80x = 2,128,528,116,578.30
  5. Step 5: Solve for x
    x = 2,128,528,116,578.30/1,656,352.80
  6. Step 6: Final answer
    x = 1,285,069.29

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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.