Home / 621,829.60-932,744.40-222,661.60

Finding the Fourth Proportional to 621,829.60, 932,744.40 and 222,661.60

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Solution

The fourth proportional to 621,829.60, 932,744.40 and 222,661.60 is: 333,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,829.60 : 932,744.40 = 222,661.60 : x
  2. Step 2: Convert to fraction form
    621,829.60/932,744.40 = 222,661.60/x
  3. Step 3: Cross multiply
    621,829.60x = 932,744.40 × 222,661.60
  4. Step 4: Simplify right side
    621,829.60x = 207,686,360,495.04
  5. Step 5: Solve for x
    x = 207,686,360,495.04/621,829.60
  6. Step 6: Final answer
    x = 333,992.40

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Similar ratio
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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.