Home / 930,812.40-1,396,218.60-576,518.40

Finding the Fourth Proportional to 930,812.40, 1,396,218.60 and 576,518.40

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Solution

The fourth proportional to 930,812.40, 1,396,218.60 and 576,518.40 is: 864,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,812.40 : 1,396,218.60 = 576,518.40 : x
  2. Step 2: Convert to fraction form
    930,812.40/1,396,218.60 = 576,518.40/x
  3. Step 3: Cross multiply
    930,812.40x = 1,396,218.60 × 576,518.40
  4. Step 4: Simplify right side
    930,812.40x = 804,945,713,322.24
  5. Step 5: Solve for x
    x = 804,945,713,322.24/930,812.40
  6. Step 6: Final answer
    x = 864,777.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.