Home / 850,889.87-1,174,286.10-519,887.52

Finding the Fourth Proportional to 850,889.87, 1,174,286.10 and 519,887.52

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Solution

The fourth proportional to 850,889.87, 1,174,286.10 and 519,887.52 is: 717,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,889.87 : 1,174,286.10 = 519,887.52 : x
  2. Step 2: Convert to fraction form
    850,889.87/1,174,286.10 = 519,887.52/x
  3. Step 3: Cross multiply
    850,889.87x = 1,174,286.10 × 519,887.52
  4. Step 4: Simplify right side
    850,889.87x = 610,496,688,299.47
  5. Step 5: Solve for x
    x = 610,496,688,299.47/850,889.87
  6. Step 6: Final answer
    x = 717,480.27

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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.