Home / 661,895.12-993,257.40-267,911.12

Finding the Fourth Proportional to 661,895.12, 993,257.40 and 267,911.12

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Solution

The fourth proportional to 661,895.12, 993,257.40 and 267,911.12 is: 402,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,895.12 : 993,257.40 = 267,911.12 : x
  2. Step 2: Convert to fraction form
    661,895.12/993,257.40 = 267,911.12/x
  3. Step 3: Cross multiply
    661,895.12x = 993,257.40 × 267,911.12
  4. Step 4: Simplify right side
    661,895.12x = 266,104,702,482.29
  5. Step 5: Solve for x
    x = 266,104,702,482.29/661,895.12
  6. Step 6: Final answer
    x = 402,034.54

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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.