Home / 737,420.66-1,017,660.19-415,142.95

Finding the Fourth Proportional to 737,420.66, 1,017,660.19 and 415,142.95

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Solution

The fourth proportional to 737,420.66, 1,017,660.19 and 415,142.95 is: 572,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,420.66 : 1,017,660.19 = 415,142.95 : x
  2. Step 2: Convert to fraction form
    737,420.66/1,017,660.19 = 415,142.95/x
  3. Step 3: Cross multiply
    737,420.66x = 1,017,660.19 × 415,142.95
  4. Step 4: Simplify right side
    737,420.66x = 422,474,453,374.16
  5. Step 5: Solve for x
    x = 422,474,453,374.16/737,420.66
  6. Step 6: Final answer
    x = 572,908.35

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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.