Home / 1,274,685.38-1,912,432.53-376,131.50

Finding the Fourth Proportional to 1,274,685.38, 1,912,432.53 and 376,131.50

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Solution

The fourth proportional to 1,274,685.38, 1,912,432.53 and 376,131.50 is: 564,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,685.38 : 1,912,432.53 = 376,131.50 : x
  2. Step 2: Convert to fraction form
    1,274,685.38/1,912,432.53 = 376,131.50/x
  3. Step 3: Cross multiply
    1,274,685.38x = 1,912,432.53 × 376,131.50
  4. Step 4: Simplify right side
    1,274,685.38x = 719,326,116,157.70
  5. Step 5: Solve for x
    x = 719,326,116,157.70/1,274,685.38
  6. Step 6: Final answer
    x = 564,316.60

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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.