Home / 873,817.06-1,205,790.66-486,603.22

Finding the Fourth Proportional to 873,817.06, 1,205,790.66 and 486,603.22

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Solution

The fourth proportional to 873,817.06, 1,205,790.66 and 486,603.22 is: 671,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,817.06 : 1,205,790.66 = 486,603.22 : x
  2. Step 2: Convert to fraction form
    873,817.06/1,205,790.66 = 486,603.22/x
  3. Step 3: Cross multiply
    873,817.06x = 1,205,790.66 × 486,603.22
  4. Step 4: Simplify right side
    873,817.06x = 586,741,617,801.93
  5. Step 5: Solve for x
    x = 586,741,617,801.93/873,817.06
  6. Step 6: Final answer
    x = 671,469.63

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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.