Home / 893,638.80-1,340,458.20-539,744.40

Finding the Fourth Proportional to 893,638.80, 1,340,458.20 and 539,744.40

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Solution

The fourth proportional to 893,638.80, 1,340,458.20 and 539,744.40 is: 809,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,638.80 : 1,340,458.20 = 539,744.40 : x
  2. Step 2: Convert to fraction form
    893,638.80/1,340,458.20 = 539,744.40/x
  3. Step 3: Cross multiply
    893,638.80x = 1,340,458.20 × 539,744.40
  4. Step 4: Simplify right side
    893,638.80x = 723,504,806,884.08
  5. Step 5: Solve for x
    x = 723,504,806,884.08/893,638.80
  6. Step 6: Final answer
    x = 809,616.60

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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.