Home / 899,413.66-1,241,238.90-517,498.66

Finding the Fourth Proportional to 899,413.66, 1,241,238.90 and 517,498.66

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Solution

The fourth proportional to 899,413.66, 1,241,238.90 and 517,498.66 is: 714,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,413.66 : 1,241,238.90 = 517,498.66 : x
  2. Step 2: Convert to fraction form
    899,413.66/1,241,238.90 = 517,498.66/x
  3. Step 3: Cross multiply
    899,413.66x = 1,241,238.90 × 517,498.66
  4. Step 4: Simplify right side
    899,413.66x = 642,339,467,489.87
  5. Step 5: Solve for x
    x = 642,339,467,489.87/899,413.66
  6. Step 6: Final answer
    x = 714,175.80

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1.5x scale

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.