Home / 695,345.40-1,043,018.10-295,999.20

Finding the Fourth Proportional to 695,345.40, 1,043,018.10 and 295,999.20

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Solution

The fourth proportional to 695,345.40, 1,043,018.10 and 295,999.20 is: 443,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,345.40 : 1,043,018.10 = 295,999.20 : x
  2. Step 2: Convert to fraction form
    695,345.40/1,043,018.10 = 295,999.20/x
  3. Step 3: Cross multiply
    695,345.40x = 1,043,018.10 × 295,999.20
  4. Step 4: Simplify right side
    695,345.40x = 308,732,523,185.52
  5. Step 5: Solve for x
    x = 308,732,523,185.52/695,345.40
  6. Step 6: Final answer
    x = 443,998.80

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Double scale
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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.