Home / 661,844.20-992,766.30-551,619.40

Finding the Fourth Proportional to 661,844.20, 992,766.30 and 551,619.40

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Solution

The fourth proportional to 661,844.20, 992,766.30 and 551,619.40 is: 827,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,844.20 : 992,766.30 = 551,619.40 : x
  2. Step 2: Convert to fraction form
    661,844.20/992,766.30 = 551,619.40/x
  3. Step 3: Cross multiply
    661,844.20x = 992,766.30 × 551,619.40
  4. Step 4: Simplify right side
    661,844.20x = 547,629,150,746.22
  5. Step 5: Solve for x
    x = 547,629,150,746.22/661,844.20
  6. Step 6: Final answer
    x = 827,429.10

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1.5x scale

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.