Home / 933,790.62-1,288,613.52-571,187.88

Finding the Fourth Proportional to 933,790.62, 1,288,613.52 and 571,187.88

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Solution

The fourth proportional to 933,790.62, 1,288,613.52 and 571,187.88 is: 788,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,790.62 : 1,288,613.52 = 571,187.88 : x
  2. Step 2: Convert to fraction form
    933,790.62/1,288,613.52 = 571,187.88/x
  3. Step 3: Cross multiply
    933,790.62x = 1,288,613.52 × 571,187.88
  4. Step 4: Simplify right side
    933,790.62x = 736,040,424,628.14
  5. Step 5: Solve for x
    x = 736,040,424,628.14/933,790.62
  6. Step 6: Final answer
    x = 788,228.55

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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.