Home / 933,828.43-1,288,731.12-571,138.38

Finding the Fourth Proportional to 933,828.43, 1,288,731.12 and 571,138.38

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Solution

The fourth proportional to 933,828.43, 1,288,731.12 and 571,138.38 is: 788,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,828.43 : 1,288,731.12 = 571,138.38 : x
  2. Step 2: Convert to fraction form
    933,828.43/1,288,731.12 = 571,138.38/x
  3. Step 3: Cross multiply
    933,828.43x = 1,288,731.12 × 571,138.38
  4. Step 4: Simplify right side
    933,828.43x = 736,043,804,132.39
  5. Step 5: Solve for x
    x = 736,043,804,132.39/933,828.43
  6. Step 6: Final answer
    x = 788,200.25

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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.