Home / 657,176.40-985,764.60-302,882.40

Finding the Fourth Proportional to 657,176.40, 985,764.60 and 302,882.40

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Solution

The fourth proportional to 657,176.40, 985,764.60 and 302,882.40 is: 454,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,176.40 : 985,764.60 = 302,882.40 : x
  2. Step 2: Convert to fraction form
    657,176.40/985,764.60 = 302,882.40/x
  3. Step 3: Cross multiply
    657,176.40x = 985,764.60 × 302,882.40
  4. Step 4: Simplify right side
    657,176.40x = 298,570,747,883.04
  5. Step 5: Solve for x
    x = 298,570,747,883.04/657,176.40
  6. Step 6: Final answer
    x = 454,323.60

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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.