Home / 753,644.52-1,040,029.20-414,134.64

Finding the Fourth Proportional to 753,644.52, 1,040,029.20 and 414,134.64

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Solution

The fourth proportional to 753,644.52, 1,040,029.20 and 414,134.64 is: 571,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,644.52 : 1,040,029.20 = 414,134.64 : x
  2. Step 2: Convert to fraction form
    753,644.52/1,040,029.20 = 414,134.64/x
  3. Step 3: Cross multiply
    753,644.52x = 1,040,029.20 × 414,134.64
  4. Step 4: Simplify right side
    753,644.52x = 430,712,118,331.49
  5. Step 5: Solve for x
    x = 430,712,118,331.49/753,644.52
  6. Step 6: Final answer
    x = 571,505.67

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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.