Home / 475,570.18-656,179.05-322,629.22

Finding the Fourth Proportional to 475,570.18, 656,179.05 and 322,629.22

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Solution

The fourth proportional to 475,570.18, 656,179.05 and 322,629.22 is: 445,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,570.18 : 656,179.05 = 322,629.22 : x
  2. Step 2: Convert to fraction form
    475,570.18/656,179.05 = 322,629.22/x
  3. Step 3: Cross multiply
    475,570.18x = 656,179.05 × 322,629.22
  4. Step 4: Simplify right side
    475,570.18x = 211,702,535,081.84
  5. Step 5: Solve for x
    x = 211,702,535,081.84/475,570.18
  6. Step 6: Final answer
    x = 445,155.19

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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.