Home / 852,076.20-1,276,559.10-519,263.40

Finding the Fourth Proportional to 852,076.20, 1,276,559.10 and 519,263.40

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Solution

The fourth proportional to 852,076.20, 1,276,559.10 and 519,263.40 is: 777,947.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,076.20 : 1,276,559.10 = 519,263.40 : x
  2. Step 2: Convert to fraction form
    852,076.20/1,276,559.10 = 519,263.40/x
  3. Step 3: Cross multiply
    852,076.20x = 1,276,559.10 × 519,263.40
  4. Step 4: Simplify right side
    852,076.20x = 662,870,418,566.94
  5. Step 5: Solve for x
    x = 662,870,418,566.94/852,076.20
  6. Step 6: Final answer
    x = 777,947.35

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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.