Home / 619,204.59-928,807.70-169,931.61

Finding the Fourth Proportional to 619,204.59, 928,807.70 and 169,931.61

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Solution

The fourth proportional to 619,204.59, 928,807.70 and 169,931.61 is: 254,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,204.59 : 928,807.70 = 169,931.61 : x
  2. Step 2: Convert to fraction form
    619,204.59/928,807.70 = 169,931.61/x
  3. Step 3: Cross multiply
    619,204.59x = 928,807.70 × 169,931.61
  4. Step 4: Simplify right side
    619,204.59x = 157,833,786,991.74
  5. Step 5: Solve for x
    x = 157,833,786,991.74/619,204.59
  6. Step 6: Final answer
    x = 254,897.64

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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.