Home / 562,431.20-845,615.10-550,621.40

Finding the Fourth Proportional to 562,431.20, 845,615.10 and 550,621.40

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Solution

The fourth proportional to 562,431.20, 845,615.10 and 550,621.40 is: 827,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,431.20 : 845,615.10 = 550,621.40 : x
  2. Step 2: Convert to fraction form
    562,431.20/845,615.10 = 550,621.40/x
  3. Step 3: Cross multiply
    562,431.20x = 845,615.10 × 550,621.40
  4. Step 4: Simplify right side
    562,431.20x = 465,613,770,223.14
  5. Step 5: Solve for x
    x = 465,613,770,223.14/562,431.20
  6. Step 6: Final answer
    x = 827,859.07

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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.