Home / 331,113.02-457,170.30-258,597.62

Finding the Fourth Proportional to 331,113.02, 457,170.30 and 258,597.62

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Solution

The fourth proportional to 331,113.02, 457,170.30 and 258,597.62 is: 357,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,113.02 : 457,170.30 = 258,597.62 : x
  2. Step 2: Convert to fraction form
    331,113.02/457,170.30 = 258,597.62/x
  3. Step 3: Cross multiply
    331,113.02x = 457,170.30 × 258,597.62
  4. Step 4: Simplify right side
    331,113.02x = 118,223,151,514.69
  5. Step 5: Solve for x
    x = 118,223,151,514.69/331,113.02
  6. Step 6: Final answer
    x = 357,047.73

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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.