Home / 991,769.54-1,368,613.22-562,089.38

Finding the Fourth Proportional to 991,769.54, 1,368,613.22 and 562,089.38

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Solution

The fourth proportional to 991,769.54, 1,368,613.22 and 562,089.38 is: 775,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,769.54 : 1,368,613.22 = 562,089.38 : x
  2. Step 2: Convert to fraction form
    991,769.54/1,368,613.22 = 562,089.38/x
  3. Step 3: Cross multiply
    991,769.54x = 1,368,613.22 × 562,089.38
  4. Step 4: Simplify right side
    991,769.54x = 769,282,956,289.60
  5. Step 5: Solve for x
    x = 769,282,956,289.60/991,769.54
  6. Step 6: Final answer
    x = 775,667.05

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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.