Home / 1,603,789.61-2,213,228.89-959,209.79

Finding the Fourth Proportional to 1,603,789.61, 2,213,228.89 and 959,209.79

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Solution

The fourth proportional to 1,603,789.61, 2,213,228.89 and 959,209.79 is: 1,323,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,789.61 : 2,213,228.89 = 959,209.79 : x
  2. Step 2: Convert to fraction form
    1,603,789.61/2,213,228.89 = 959,209.79/x
  3. Step 3: Cross multiply
    1,603,789.61x = 2,213,228.89 × 959,209.79
  4. Step 4: Simplify right side
    1,603,789.61x = 2,122,950,818,798.83
  5. Step 5: Solve for x
    x = 2,122,950,818,798.83/1,603,789.61
  6. Step 6: Final answer
    x = 1,323,709.05

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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.