Home / 683,563.60-1,025,345.40-403,397.20

Finding the Fourth Proportional to 683,563.60, 1,025,345.40 and 403,397.20

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Solution

The fourth proportional to 683,563.60, 1,025,345.40 and 403,397.20 is: 605,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,563.60 : 1,025,345.40 = 403,397.20 : x
  2. Step 2: Convert to fraction form
    683,563.60/1,025,345.40 = 403,397.20/x
  3. Step 3: Cross multiply
    683,563.60x = 1,025,345.40 × 403,397.20
  4. Step 4: Simplify right side
    683,563.60x = 413,621,463,392.88
  5. Step 5: Solve for x
    x = 413,621,463,392.88/683,563.60
  6. Step 6: Final answer
    x = 605,095.80

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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.