Home / 923,056.79-1,273,819.55-515,158.61

Finding the Fourth Proportional to 923,056.79, 1,273,819.55 and 515,158.61

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Solution

The fourth proportional to 923,056.79, 1,273,819.55 and 515,158.61 is: 710,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,056.79 : 1,273,819.55 = 515,158.61 : x
  2. Step 2: Convert to fraction form
    923,056.79/1,273,819.55 = 515,158.61/x
  3. Step 3: Cross multiply
    923,056.79x = 1,273,819.55 × 515,158.61
  4. Step 4: Simplify right side
    923,056.79x = 656,219,099,823.94
  5. Step 5: Solve for x
    x = 656,219,099,823.94/923,056.79
  6. Step 6: Final answer
    x = 710,919.53

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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.