Home / 1,690,682.92-2,536,413.27-553,481.80

Finding the Fourth Proportional to 1,690,682.92, 2,536,413.27 and 553,481.80

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Solution

The fourth proportional to 1,690,682.92, 2,536,413.27 and 553,481.80 is: 830,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,682.92 : 2,536,413.27 = 553,481.80 : x
  2. Step 2: Convert to fraction form
    1,690,682.92/2,536,413.27 = 553,481.80/x
  3. Step 3: Cross multiply
    1,690,682.92x = 2,536,413.27 × 553,481.80
  4. Step 4: Simplify right side
    1,690,682.92x = 1,403,858,582,223.49
  5. Step 5: Solve for x
    x = 1,403,858,582,223.49/1,690,682.92
  6. Step 6: Final answer
    x = 830,350.01

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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.