Home / 930,646.54-1,284,093.01-543,286.16

Finding the Fourth Proportional to 930,646.54, 1,284,093.01 and 543,286.16

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Solution

The fourth proportional to 930,646.54, 1,284,093.01 and 543,286.16 is: 749,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,646.54 : 1,284,093.01 = 543,286.16 : x
  2. Step 2: Convert to fraction form
    930,646.54/1,284,093.01 = 543,286.16/x
  3. Step 3: Cross multiply
    930,646.54x = 1,284,093.01 × 543,286.16
  4. Step 4: Simplify right side
    930,646.54x = 697,629,960,485.74
  5. Step 5: Solve for x
    x = 697,629,960,485.74/930,646.54
  6. Step 6: Final answer
    x = 749,618.60

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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.