Home / 1,267,234.16-1,900,620.52-509,045

Finding the Fourth Proportional to 1,267,234.16, 1,900,620.52 and 509,045

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Solution

The fourth proportional to 1,267,234.16, 1,900,620.52 and 509,045 is: 763,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,234.16 : 1,900,620.52 = 509,045 : x
  2. Step 2: Convert to fraction form
    1,267,234.16/1,900,620.52 = 509,045/x
  3. Step 3: Cross multiply
    1,267,234.16x = 1,900,620.52 × 509,045
  4. Step 4: Simplify right side
    1,267,234.16x = 967,501,372,603.40
  5. Step 5: Solve for x
    x = 967,501,372,603.40/1,267,234.16
  6. Step 6: Final answer
    x = 763,474.82

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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.