Home / 810,287.52-1,118,099.54-447,689.04

Finding the Fourth Proportional to 810,287.52, 1,118,099.54 and 447,689.04

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Solution

The fourth proportional to 810,287.52, 1,118,099.54 and 447,689.04 is: 617,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,287.52 : 1,118,099.54 = 447,689.04 : x
  2. Step 2: Convert to fraction form
    810,287.52/1,118,099.54 = 447,689.04/x
  3. Step 3: Cross multiply
    810,287.52x = 1,118,099.54 × 447,689.04
  4. Step 4: Simplify right side
    810,287.52x = 500,560,909,687.04
  5. Step 5: Solve for x
    x = 500,560,909,687.04/810,287.52
  6. Step 6: Final answer
    x = 617,757.15

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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.