Home / 838,917.43-1,157,786.58-516,816.07

Finding the Fourth Proportional to 838,917.43, 1,157,786.58 and 516,816.07

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Solution

The fourth proportional to 838,917.43, 1,157,786.58 and 516,816.07 is: 713,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,917.43 : 1,157,786.58 = 516,816.07 : x
  2. Step 2: Convert to fraction form
    838,917.43/1,157,786.58 = 516,816.07/x
  3. Step 3: Cross multiply
    838,917.43x = 1,157,786.58 × 516,816.07
  4. Step 4: Simplify right side
    838,917.43x = 598,362,710,174.34
  5. Step 5: Solve for x
    x = 598,362,710,174.34/838,917.43
  6. Step 6: Final answer
    x = 713,255.79

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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.