Home / 957,755.75-1,321,712.64-528,051.22

Finding the Fourth Proportional to 957,755.75, 1,321,712.64 and 528,051.22

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Solution

The fourth proportional to 957,755.75, 1,321,712.64 and 528,051.22 is: 728,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,755.75 : 1,321,712.64 = 528,051.22 : x
  2. Step 2: Convert to fraction form
    957,755.75/1,321,712.64 = 528,051.22/x
  3. Step 3: Cross multiply
    957,755.75x = 1,321,712.64 × 528,051.22
  4. Step 4: Simplify right side
    957,755.75x = 697,931,968,737.14
  5. Step 5: Solve for x
    x = 697,931,968,737.14/957,755.75
  6. Step 6: Final answer
    x = 728,716.03

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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.