Home / 1,603,855.88-2,212,776.17-915,032.90

Finding the Fourth Proportional to 1,603,855.88, 2,212,776.17 and 915,032.90

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Solution

The fourth proportional to 1,603,855.88, 2,212,776.17 and 915,032.90 is: 1,262,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,855.88 : 2,212,776.17 = 915,032.90 : x
  2. Step 2: Convert to fraction form
    1,603,855.88/2,212,776.17 = 915,032.90/x
  3. Step 3: Cross multiply
    1,603,855.88x = 2,212,776.17 × 915,032.90
  4. Step 4: Simplify right side
    1,603,855.88x = 2,024,762,980,246.95
  5. Step 5: Solve for x
    x = 2,024,762,980,246.95/1,603,855.88
  6. Step 6: Final answer
    x = 1,262,434.49

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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.