Home / 423,032.22-634,232.73-254,513.05

Finding the Fourth Proportional to 423,032.22, 634,232.73 and 254,513.05

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Solution

The fourth proportional to 423,032.22, 634,232.73 and 254,513.05 is: 381,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,032.22 : 634,232.73 = 254,513.05 : x
  2. Step 2: Convert to fraction form
    423,032.22/634,232.73 = 254,513.05/x
  3. Step 3: Cross multiply
    423,032.22x = 634,232.73 × 254,513.05
  4. Step 4: Simplify right side
    423,032.22x = 161,420,509,458.53
  5. Step 5: Solve for x
    x = 161,420,509,458.53/423,032.22
  6. Step 6: Final answer
    x = 381,579.70

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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.