Home / 619,926.10-855,526.43-344,285.21

Finding the Fourth Proportional to 619,926.10, 855,526.43 and 344,285.21

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Solution

The fourth proportional to 619,926.10, 855,526.43 and 344,285.21 is: 475,129.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,926.10 : 855,526.43 = 344,285.21 : x
  2. Step 2: Convert to fraction form
    619,926.10/855,526.43 = 344,285.21/x
  3. Step 3: Cross multiply
    619,926.10x = 855,526.43 × 344,285.21
  4. Step 4: Simplify right side
    619,926.10x = 294,545,099,612.63
  5. Step 5: Solve for x
    x = 294,545,099,612.63/619,926.10
  6. Step 6: Final answer
    x = 475,129.38

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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.