Home / 637,986.59-957,117.17-318,310.37

Finding the Fourth Proportional to 637,986.59, 957,117.17 and 318,310.37

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Solution

The fourth proportional to 637,986.59, 957,117.17 and 318,310.37 is: 477,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,986.59 : 957,117.17 = 318,310.37 : x
  2. Step 2: Convert to fraction form
    637,986.59/957,117.17 = 318,310.37/x
  3. Step 3: Cross multiply
    637,986.59x = 957,117.17 × 318,310.37
  4. Step 4: Simplify right side
    637,986.59x = 304,660,320,516.05
  5. Step 5: Solve for x
    x = 304,660,320,516.05/637,986.59
  6. Step 6: Final answer
    x = 477,534.05

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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.