Home / 1,657,219.60-2,485,829.40-858,745.90

Finding the Fourth Proportional to 1,657,219.60, 2,485,829.40 and 858,745.90

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Solution

The fourth proportional to 1,657,219.60, 2,485,829.40 and 858,745.90 is: 1,288,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,219.60 : 2,485,829.40 = 858,745.90 : x
  2. Step 2: Convert to fraction form
    1,657,219.60/2,485,829.40 = 858,745.90/x
  3. Step 3: Cross multiply
    1,657,219.60x = 2,485,829.40 × 858,745.90
  4. Step 4: Simplify right side
    1,657,219.60x = 2,134,695,805,349.46
  5. Step 5: Solve for x
    x = 2,134,695,805,349.46/1,657,219.60
  6. Step 6: Final answer
    x = 1,288,118.85

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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.