Home / 548,022.40-822,033.60-423,606.40

Finding the Fourth Proportional to 548,022.40, 822,033.60 and 423,606.40

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Solution

The fourth proportional to 548,022.40, 822,033.60 and 423,606.40 is: 635,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,022.40 : 822,033.60 = 423,606.40 : x
  2. Step 2: Convert to fraction form
    548,022.40/822,033.60 = 423,606.40/x
  3. Step 3: Cross multiply
    548,022.40x = 822,033.60 × 423,606.40
  4. Step 4: Simplify right side
    548,022.40x = 348,218,693,975.04
  5. Step 5: Solve for x
    x = 348,218,693,975.04/548,022.40
  6. Step 6: Final answer
    x = 635,409.60

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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.