Home / 1,656,605.60-2,484,908.40-858,131.90

Finding the Fourth Proportional to 1,656,605.60, 2,484,908.40 and 858,131.90

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Solution

The fourth proportional to 1,656,605.60, 2,484,908.40 and 858,131.90 is: 1,287,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,605.60 : 2,484,908.40 = 858,131.90 : x
  2. Step 2: Convert to fraction form
    1,656,605.60/2,484,908.40 = 858,131.90/x
  3. Step 3: Cross multiply
    1,656,605.60x = 2,484,908.40 × 858,131.90
  4. Step 4: Simplify right side
    1,656,605.60x = 2,132,379,166,617.96
  5. Step 5: Solve for x
    x = 2,132,379,166,617.96/1,656,605.60
  6. Step 6: Final answer
    x = 1,287,197.85

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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.