Home / 822,318.24-1,134,736.56-499,983.60

Finding the Fourth Proportional to 822,318.24, 1,134,736.56 and 499,983.60

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Solution

The fourth proportional to 822,318.24, 1,134,736.56 and 499,983.60 is: 689,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,318.24 : 1,134,736.56 = 499,983.60 : x
  2. Step 2: Convert to fraction form
    822,318.24/1,134,736.56 = 499,983.60/x
  3. Step 3: Cross multiply
    822,318.24x = 1,134,736.56 × 499,983.60
  4. Step 4: Simplify right side
    822,318.24x = 567,349,670,320.42
  5. Step 5: Solve for x
    x = 567,349,670,320.42/822,318.24
  6. Step 6: Final answer
    x = 689,939.30

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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.