Home / 1,262,937.16-1,895,603.38-781,709.28

Finding the Fourth Proportional to 1,262,937.16, 1,895,603.38 and 781,709.28

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Solution

The fourth proportional to 1,262,937.16, 1,895,603.38 and 781,709.28 is: 1,173,305.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,937.16 : 1,895,603.38 = 781,709.28 : x
  2. Step 2: Convert to fraction form
    1,262,937.16/1,895,603.38 = 781,709.28/x
  3. Step 3: Cross multiply
    1,262,937.16x = 1,895,603.38 × 781,709.28
  4. Step 4: Simplify right side
    1,262,937.16x = 1,481,810,753,345.37
  5. Step 5: Solve for x
    x = 1,481,810,753,345.37/1,262,937.16
  6. Step 6: Final answer
    x = 1,173,305.21

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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.