Home / 436,219.66-602,442.06-388,669.73

Finding the Fourth Proportional to 436,219.66, 602,442.06 and 388,669.73

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Solution

The fourth proportional to 436,219.66, 602,442.06 and 388,669.73 is: 536,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,219.66 : 602,442.06 = 388,669.73 : x
  2. Step 2: Convert to fraction form
    436,219.66/602,442.06 = 388,669.73/x
  3. Step 3: Cross multiply
    436,219.66x = 602,442.06 × 388,669.73
  4. Step 4: Simplify right side
    436,219.66x = 234,150,988,331.12
  5. Step 5: Solve for x
    x = 234,150,988,331.12/436,219.66
  6. Step 6: Final answer
    x = 536,773.12

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1.5x scale

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.