Home / 619,942.18-855,507.65-344,285.41

Finding the Fourth Proportional to 619,942.18, 855,507.65 and 344,285.41

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Solution

The fourth proportional to 619,942.18, 855,507.65 and 344,285.41 is: 475,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,942.18 : 855,507.65 = 344,285.41 : x
  2. Step 2: Convert to fraction form
    619,942.18/855,507.65 = 344,285.41/x
  3. Step 3: Cross multiply
    619,942.18x = 855,507.65 × 344,285.41
  4. Step 4: Simplify right side
    619,942.18x = 294,538,802,038.39
  5. Step 5: Solve for x
    x = 294,538,802,038.39/619,942.18
  6. Step 6: Final answer
    x = 475,106.89

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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.