Home / 821,887.26-1,134,553.55-499,700.22

Finding the Fourth Proportional to 821,887.26, 1,134,553.55 and 499,700.22

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Solution

The fourth proportional to 821,887.26, 1,134,553.55 and 499,700.22 is: 689,798.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,887.26 : 1,134,553.55 = 499,700.22 : x
  2. Step 2: Convert to fraction form
    821,887.26/1,134,553.55 = 499,700.22/x
  3. Step 3: Cross multiply
    821,887.26x = 1,134,553.55 × 499,700.22
  4. Step 4: Simplify right side
    821,887.26x = 566,936,656,038.28
  5. Step 5: Solve for x
    x = 566,936,656,038.28/821,887.26
  6. Step 6: Final answer
    x = 689,798.57

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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.