Home / 867,193.20-1,300,789.80-548,328.60

Finding the Fourth Proportional to 867,193.20, 1,300,789.80 and 548,328.60

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Solution

The fourth proportional to 867,193.20, 1,300,789.80 and 548,328.60 is: 822,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,193.20 : 1,300,789.80 = 548,328.60 : x
  2. Step 2: Convert to fraction form
    867,193.20/1,300,789.80 = 548,328.60/x
  3. Step 3: Cross multiply
    867,193.20x = 1,300,789.80 × 548,328.60
  4. Step 4: Simplify right side
    867,193.20x = 713,260,249,928.28
  5. Step 5: Solve for x
    x = 713,260,249,928.28/867,193.20
  6. Step 6: Final answer
    x = 822,492.90

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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.