Home / 857,592.44-1,286,574.40-258,503.48

Finding the Fourth Proportional to 857,592.44, 1,286,574.40 and 258,503.48

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Solution

The fourth proportional to 857,592.44, 1,286,574.40 and 258,503.48 is: 387,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,592.44 : 1,286,574.40 = 258,503.48 : x
  2. Step 2: Convert to fraction form
    857,592.44/1,286,574.40 = 258,503.48/x
  3. Step 3: Cross multiply
    857,592.44x = 1,286,574.40 × 258,503.48
  4. Step 4: Simplify right side
    857,592.44x = 332,583,959,678.91
  5. Step 5: Solve for x
    x = 332,583,959,678.91/857,592.44
  6. Step 6: Final answer
    x = 387,811.21

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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.