Home / 807,997.35-1,114,829.69-513,539.67

Finding the Fourth Proportional to 807,997.35, 1,114,829.69 and 513,539.67

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Solution

The fourth proportional to 807,997.35, 1,114,829.69 and 513,539.67 is: 708,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,997.35 : 1,114,829.69 = 513,539.67 : x
  2. Step 2: Convert to fraction form
    807,997.35/1,114,829.69 = 513,539.67/x
  3. Step 3: Cross multiply
    807,997.35x = 1,114,829.69 × 513,539.67
  4. Step 4: Simplify right side
    807,997.35x = 572,509,266,286.27
  5. Step 5: Solve for x
    x = 572,509,266,286.27/807,997.35
  6. Step 6: Final answer
    x = 708,553.40

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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.