Home / 329,038.07-492,808.05-257,514.66

Finding the Fourth Proportional to 329,038.07, 492,808.05 and 257,514.66

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Solution

The fourth proportional to 329,038.07, 492,808.05 and 257,514.66 is: 385,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,038.07 : 492,808.05 = 257,514.66 : x
  2. Step 2: Convert to fraction form
    329,038.07/492,808.05 = 257,514.66/x
  3. Step 3: Cross multiply
    329,038.07x = 492,808.05 × 257,514.66
  4. Step 4: Simplify right side
    329,038.07x = 126,905,297,441.01
  5. Step 5: Solve for x
    x = 126,905,297,441.01/329,038.07
  6. Step 6: Final answer
    x = 385,685.76

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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.