Home / 891,000.85-1,336,242.08-491,832.85

Finding the Fourth Proportional to 891,000.85, 1,336,242.08 and 491,832.85

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Solution

The fourth proportional to 891,000.85, 1,336,242.08 and 491,832.85 is: 737,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,000.85 : 1,336,242.08 = 491,832.85 : x
  2. Step 2: Convert to fraction form
    891,000.85/1,336,242.08 = 491,832.85/x
  3. Step 3: Cross multiply
    891,000.85x = 1,336,242.08 × 491,832.85
  4. Step 4: Simplify right side
    891,000.85x = 657,207,748,037.16
  5. Step 5: Solve for x
    x = 657,207,748,037.16/891,000.85
  6. Step 6: Final answer
    x = 737,606.20

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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.