Home / 562,435.20-845,621.10-550,625.40

Finding the Fourth Proportional to 562,435.20, 845,621.10 and 550,625.40

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Solution

The fourth proportional to 562,435.20, 845,621.10 and 550,625.40 is: 827,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,435.20 : 845,621.10 = 550,625.40 : x
  2. Step 2: Convert to fraction form
    562,435.20/845,621.10 = 550,625.40/x
  3. Step 3: Cross multiply
    562,435.20x = 845,621.10 × 550,625.40
  4. Step 4: Simplify right side
    562,435.20x = 465,620,456,435.94
  5. Step 5: Solve for x
    x = 465,620,456,435.94/562,435.20
  6. Step 6: Final answer
    x = 827,865.07

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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.