Home / 857,107.20-1,182,728.34-475,101.48

Finding the Fourth Proportional to 857,107.20, 1,182,728.34 and 475,101.48

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Solution

The fourth proportional to 857,107.20, 1,182,728.34 and 475,101.48 is: 655,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,107.20 : 1,182,728.34 = 475,101.48 : x
  2. Step 2: Convert to fraction form
    857,107.20/1,182,728.34 = 475,101.48/x
  3. Step 3: Cross multiply
    857,107.20x = 1,182,728.34 × 475,101.48
  4. Step 4: Simplify right side
    857,107.20x = 561,915,984,771.94
  5. Step 5: Solve for x
    x = 561,915,984,771.94/857,107.20
  6. Step 6: Final answer
    x = 655,595.92

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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.