Home / 883,917.18-1,219,805.91-481,509.18

Finding the Fourth Proportional to 883,917.18, 1,219,805.91 and 481,509.18

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Solution

The fourth proportional to 883,917.18, 1,219,805.91 and 481,509.18 is: 664,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,917.18 : 1,219,805.91 = 481,509.18 : x
  2. Step 2: Convert to fraction form
    883,917.18/1,219,805.91 = 481,509.18/x
  3. Step 3: Cross multiply
    883,917.18x = 1,219,805.91 × 481,509.18
  4. Step 4: Simplify right side
    883,917.18x = 587,347,743,483.25
  5. Step 5: Solve for x
    x = 587,347,743,483.25/883,917.18
  6. Step 6: Final answer
    x = 664,482.78

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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.