Home / 816,413.01-1,126,257.53-530,022.93

Finding the Fourth Proportional to 816,413.01, 1,126,257.53 and 530,022.93

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Solution

The fourth proportional to 816,413.01, 1,126,257.53 and 530,022.93 is: 731,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,413.01 : 1,126,257.53 = 530,022.93 : x
  2. Step 2: Convert to fraction form
    816,413.01/1,126,257.53 = 530,022.93/x
  3. Step 3: Cross multiply
    816,413.01x = 1,126,257.53 × 530,022.93
  4. Step 4: Simplify right side
    816,413.01x = 596,942,313,335.05
  5. Step 5: Solve for x
    x = 596,942,313,335.05/816,413.01
  6. Step 6: Final answer
    x = 731,176.87

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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.