Home / 957,755.02-1,321,761.48-528,034.50

Finding the Fourth Proportional to 957,755.02, 1,321,761.48 and 528,034.50

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Solution

The fourth proportional to 957,755.02, 1,321,761.48 and 528,034.50 is: 728,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,755.02 : 1,321,761.48 = 528,034.50 : x
  2. Step 2: Convert to fraction form
    957,755.02/1,321,761.48 = 528,034.50/x
  3. Step 3: Cross multiply
    957,755.02x = 1,321,761.48 × 528,034.50
  4. Step 4: Simplify right side
    957,755.02x = 697,935,662,211.06
  5. Step 5: Solve for x
    x = 697,935,662,211.06/957,755.02
  6. Step 6: Final answer
    x = 728,720.44

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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.