Home / 857,816.02-1,286,733.27-258,782.37

Finding the Fourth Proportional to 857,816.02, 1,286,733.27 and 258,782.37

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Solution

The fourth proportional to 857,816.02, 1,286,733.27 and 258,782.37 is: 388,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,816.02 : 1,286,733.27 = 258,782.37 : x
  2. Step 2: Convert to fraction form
    857,816.02/1,286,733.27 = 258,782.37/x
  3. Step 3: Cross multiply
    857,816.02x = 1,286,733.27 × 258,782.37
  4. Step 4: Simplify right side
    857,816.02x = 332,983,884,204.75
  5. Step 5: Solve for x
    x = 332,983,884,204.75/857,816.02
  6. Step 6: Final answer
    x = 388,176.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.