Home / 753,731.64-1,040,149.65-414,199.89

Finding the Fourth Proportional to 753,731.64, 1,040,149.65 and 414,199.89

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Solution

The fourth proportional to 753,731.64, 1,040,149.65 and 414,199.89 is: 571,595.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,731.64 : 1,040,149.65 = 414,199.89 : x
  2. Step 2: Convert to fraction form
    753,731.64/1,040,149.65 = 414,199.89/x
  3. Step 3: Cross multiply
    753,731.64x = 1,040,149.65 × 414,199.89
  4. Step 4: Simplify right side
    753,731.64x = 430,829,870,613.54
  5. Step 5: Solve for x
    x = 430,829,870,613.54/753,731.64
  6. Step 6: Final answer
    x = 571,595.84

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1.5x scale

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.