Home / 851,054.20-1,277,042.10-377,812.60

Finding the Fourth Proportional to 851,054.20, 1,277,042.10 and 377,812.60

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Solution

The fourth proportional to 851,054.20, 1,277,042.10 and 377,812.60 is: 566,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,054.20 : 1,277,042.10 = 377,812.60 : x
  2. Step 2: Convert to fraction form
    851,054.20/1,277,042.10 = 377,812.60/x
  3. Step 3: Cross multiply
    851,054.20x = 1,277,042.10 × 377,812.60
  4. Step 4: Simplify right side
    851,054.20x = 482,482,596,110.46
  5. Step 5: Solve for x
    x = 482,482,596,110.46/851,054.20
  6. Step 6: Final answer
    x = 566,923.47

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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.