Home / 810,107.53-1,117,944.88-447,531.37

Finding the Fourth Proportional to 810,107.53, 1,117,944.88 and 447,531.37

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Solution

The fourth proportional to 810,107.53, 1,117,944.88 and 447,531.37 is: 617,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,107.53 : 1,117,944.88 = 447,531.37 : x
  2. Step 2: Convert to fraction form
    810,107.53/1,117,944.88 = 447,531.37/x
  3. Step 3: Cross multiply
    810,107.53x = 1,117,944.88 × 447,531.37
  4. Step 4: Simplify right side
    810,107.53x = 500,315,403,730.89
  5. Step 5: Solve for x
    x = 500,315,403,730.89/810,107.53
  6. Step 6: Final answer
    x = 617,591.35

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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.