Home / 619,421.58-926,784.18-366,837.66

Finding the Fourth Proportional to 619,421.58, 926,784.18 and 366,837.66

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Solution

The fourth proportional to 619,421.58, 926,784.18 and 366,837.66 is: 548,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,421.58 : 926,784.18 = 366,837.66 : x
  2. Step 2: Convert to fraction form
    619,421.58/926,784.18 = 366,837.66/x
  3. Step 3: Cross multiply
    619,421.58x = 926,784.18 × 366,837.66
  4. Step 4: Simplify right side
    619,421.58x = 339,979,339,916.22
  5. Step 5: Solve for x
    x = 339,979,339,916.22/619,421.58
  6. Step 6: Final answer
    x = 548,865.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.