Home / 933,745.06-1,288,550.68-571,142.28

Finding the Fourth Proportional to 933,745.06, 1,288,550.68 and 571,142.28

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Solution

The fourth proportional to 933,745.06, 1,288,550.68 and 571,142.28 is: 788,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,745.06 : 1,288,550.68 = 571,142.28 : x
  2. Step 2: Convert to fraction form
    933,745.06/1,288,550.68 = 571,142.28/x
  3. Step 3: Cross multiply
    933,745.06x = 1,288,550.68 × 571,142.28
  4. Step 4: Simplify right side
    933,745.06x = 735,945,773,270.75
  5. Step 5: Solve for x
    x = 735,945,773,270.75/933,745.06
  6. Step 6: Final answer
    x = 788,165.64

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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.