Home / 851,926.20-1,276,334.10-519,113.40

Finding the Fourth Proportional to 851,926.20, 1,276,334.10 and 519,113.40

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Solution

The fourth proportional to 851,926.20, 1,276,334.10 and 519,113.40 is: 777,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,926.20 : 1,276,334.10 = 519,113.40 : x
  2. Step 2: Convert to fraction form
    851,926.20/1,276,334.10 = 519,113.40/x
  3. Step 3: Cross multiply
    851,926.20x = 1,276,334.10 × 519,113.40
  4. Step 4: Simplify right side
    851,926.20x = 662,562,134,186.94
  5. Step 5: Solve for x
    x = 662,562,134,186.94/851,926.20
  6. Step 6: Final answer
    x = 777,722.45

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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.