Home / 957,894.80-1,321,904.06-528,190.16

Finding the Fourth Proportional to 957,894.80, 1,321,904.06 and 528,190.16

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Solution

The fourth proportional to 957,894.80, 1,321,904.06 and 528,190.16 is: 728,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,894.80 : 1,321,904.06 = 528,190.16 : x
  2. Step 2: Convert to fraction form
    957,894.80/1,321,904.06 = 528,190.16/x
  3. Step 3: Cross multiply
    957,894.80x = 1,321,904.06 × 528,190.16
  4. Step 4: Simplify right side
    957,894.80x = 698,216,716,956.05
  5. Step 5: Solve for x
    x = 698,216,716,956.05/957,894.80
  6. Step 6: Final answer
    x = 728,907.51

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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.