Home / 807,633.66-1,114,532.12-445,057.40

Finding the Fourth Proportional to 807,633.66, 1,114,532.12 and 445,057.40

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Solution

The fourth proportional to 807,633.66, 1,114,532.12 and 445,057.40 is: 614,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,633.66 : 1,114,532.12 = 445,057.40 : x
  2. Step 2: Convert to fraction form
    807,633.66/1,114,532.12 = 445,057.40/x
  3. Step 3: Cross multiply
    807,633.66x = 1,114,532.12 × 445,057.40
  4. Step 4: Simplify right side
    807,633.66x = 496,030,767,543.69
  5. Step 5: Solve for x
    x = 496,030,767,543.69/807,633.66
  6. Step 6: Final answer
    x = 614,177.93

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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.