Home / 623,921.44-861,011.58-337,441.54

Finding the Fourth Proportional to 623,921.44, 861,011.58 and 337,441.54

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Solution

The fourth proportional to 623,921.44, 861,011.58 and 337,441.54 is: 465,669.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,921.44 : 861,011.58 = 337,441.54 : x
  2. Step 2: Convert to fraction form
    623,921.44/861,011.58 = 337,441.54/x
  3. Step 3: Cross multiply
    623,921.44x = 861,011.58 × 337,441.54
  4. Step 4: Simplify right side
    623,921.44x = 290,541,073,513.03
  5. Step 5: Solve for x
    x = 290,541,073,513.03/623,921.44
  6. Step 6: Final answer
    x = 465,669.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.