Home / 957,755.06-1,321,710.92-528,050.53

Finding the Fourth Proportional to 957,755.06, 1,321,710.92 and 528,050.53

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Solution

The fourth proportional to 957,755.06, 1,321,710.92 and 528,050.53 is: 728,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,755.06 : 1,321,710.92 = 528,050.53 : x
  2. Step 2: Convert to fraction form
    957,755.06/1,321,710.92 = 528,050.53/x
  3. Step 3: Cross multiply
    957,755.06x = 1,321,710.92 × 528,050.53
  4. Step 4: Simplify right side
    957,755.06x = 697,930,151,812.79
  5. Step 5: Solve for x
    x = 697,930,151,812.79/957,755.06
  6. Step 6: Final answer
    x = 728,714.66

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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.