Home / 928,873.40-1,389,623.70-805,583.80

Finding the Fourth Proportional to 928,873.40, 1,389,623.70 and 805,583.80

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Solution

The fourth proportional to 928,873.40, 1,389,623.70 and 805,583.80 is: 1,205,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,873.40 : 1,389,623.70 = 805,583.80 : x
  2. Step 2: Convert to fraction form
    928,873.40/1,389,623.70 = 805,583.80/x
  3. Step 3: Cross multiply
    928,873.40x = 1,389,623.70 × 805,583.80
  4. Step 4: Simplify right side
    928,873.40x = 1,119,458,340,816.06
  5. Step 5: Solve for x
    x = 1,119,458,340,816.06/928,873.40
  6. Step 6: Final answer
    x = 1,205,178.60

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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.