Home / 483,039.10-724,558.65-404,890.30

Finding the Fourth Proportional to 483,039.10, 724,558.65 and 404,890.30

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Solution

The fourth proportional to 483,039.10, 724,558.65 and 404,890.30 is: 607,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,039.10 : 724,558.65 = 404,890.30 : x
  2. Step 2: Convert to fraction form
    483,039.10/724,558.65 = 404,890.30/x
  3. Step 3: Cross multiply
    483,039.10x = 724,558.65 × 404,890.30
  4. Step 4: Simplify right side
    483,039.10x = 293,366,769,166.10
  5. Step 5: Solve for x
    x = 293,366,769,166.10/483,039.10
  6. Step 6: Final answer
    x = 607,335.45

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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.