Home / 930,554.68-1,284,133.08-568,584.40

Finding the Fourth Proportional to 930,554.68, 1,284,133.08 and 568,584.40

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Solution

The fourth proportional to 930,554.68, 1,284,133.08 and 568,584.40 is: 784,626.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,554.68 : 1,284,133.08 = 568,584.40 : x
  2. Step 2: Convert to fraction form
    930,554.68/1,284,133.08 = 568,584.40/x
  3. Step 3: Cross multiply
    930,554.68x = 1,284,133.08 × 568,584.40
  4. Step 4: Simplify right side
    930,554.68x = 730,138,036,811.95
  5. Step 5: Solve for x
    x = 730,138,036,811.95/930,554.68
  6. Step 6: Final answer
    x = 784,626.69

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Double scale
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Similar ratio
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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.