Home / 371,418.35-557,445.65-368,622.63

Finding the Fourth Proportional to 371,418.35, 557,445.65 and 368,622.63

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Solution

The fourth proportional to 371,418.35, 557,445.65 and 368,622.63 is: 553,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,418.35 : 557,445.65 = 368,622.63 : x
  2. Step 2: Convert to fraction form
    371,418.35/557,445.65 = 368,622.63/x
  3. Step 3: Cross multiply
    371,418.35x = 557,445.65 × 368,622.63
  4. Step 4: Simplify right side
    371,418.35x = 205,487,079,741.95
  5. Step 5: Solve for x
    x = 205,487,079,741.95/371,418.35
  6. Step 6: Final answer
    x = 553,249.68

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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.