Home / 852,040.20-1,276,505.10-519,227.40

Finding the Fourth Proportional to 852,040.20, 1,276,505.10 and 519,227.40

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Solution

The fourth proportional to 852,040.20, 1,276,505.10 and 519,227.40 is: 777,893.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,040.20 : 1,276,505.10 = 519,227.40 : x
  2. Step 2: Convert to fraction form
    852,040.20/1,276,505.10 = 519,227.40/x
  3. Step 3: Cross multiply
    852,040.20x = 1,276,505.10 × 519,227.40
  4. Step 4: Simplify right side
    852,040.20x = 662,796,424,159.74
  5. Step 5: Solve for x
    x = 662,796,424,159.74/852,040.20
  6. Step 6: Final answer
    x = 777,893.37

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1.5x scale

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.