Home / 1,603,662.18-2,213,108.90-878,509.70

Finding the Fourth Proportional to 1,603,662.18, 2,213,108.90 and 878,509.70

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Solution

The fourth proportional to 1,603,662.18, 2,213,108.90 and 878,509.70 is: 1,212,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,662.18 : 2,213,108.90 = 878,509.70 : x
  2. Step 2: Convert to fraction form
    1,603,662.18/2,213,108.90 = 878,509.70/x
  3. Step 3: Cross multiply
    1,603,662.18x = 2,213,108.90 × 878,509.70
  4. Step 4: Simplify right side
    1,603,662.18x = 1,944,237,635,806.33
  5. Step 5: Solve for x
    x = 1,944,237,635,806.33/1,603,662.18
  6. Step 6: Final answer
    x = 1,212,373.57

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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.