Home / 878,365.41-1,212,134.18-475,957.41

Finding the Fourth Proportional to 878,365.41, 1,212,134.18 and 475,957.41

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Solution

The fourth proportional to 878,365.41, 1,212,134.18 and 475,957.41 is: 656,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,365.41 : 1,212,134.18 = 475,957.41 : x
  2. Step 2: Convert to fraction form
    878,365.41/1,212,134.18 = 475,957.41/x
  3. Step 3: Cross multiply
    878,365.41x = 1,212,134.18 × 475,957.41
  4. Step 4: Simplify right side
    878,365.41x = 576,924,242,505.49
  5. Step 5: Solve for x
    x = 576,924,242,505.49/878,365.41
  6. Step 6: Final answer
    x = 656,815.76

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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.