Home / 669,610.41-1,003,561.47-313,840.59

Finding the Fourth Proportional to 669,610.41, 1,003,561.47 and 313,840.59

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Solution

The fourth proportional to 669,610.41, 1,003,561.47 and 313,840.59 is: 470,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,610.41 : 1,003,561.47 = 313,840.59 : x
  2. Step 2: Convert to fraction form
    669,610.41/1,003,561.47 = 313,840.59/x
  3. Step 3: Cross multiply
    669,610.41x = 1,003,561.47 × 313,840.59
  4. Step 4: Simplify right side
    669,610.41x = 314,958,323,846.07
  5. Step 5: Solve for x
    x = 314,958,323,846.07/669,610.41
  6. Step 6: Final answer
    x = 470,360.55

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Double scale
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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.