Home / 884,120.32-1,220,189.75-496,936.27

Finding the Fourth Proportional to 884,120.32, 1,220,189.75 and 496,936.27

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Solution

The fourth proportional to 884,120.32, 1,220,189.75 and 496,936.27 is: 685,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,120.32 : 1,220,189.75 = 496,936.27 : x
  2. Step 2: Convert to fraction form
    884,120.32/1,220,189.75 = 496,936.27/x
  3. Step 3: Cross multiply
    884,120.32x = 1,220,189.75 × 496,936.27
  4. Step 4: Simplify right side
    884,120.32x = 606,356,543,057.23
  5. Step 5: Solve for x
    x = 606,356,543,057.23/884,120.32
  6. Step 6: Final answer
    x = 685,830.34

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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.