Home / 930,885.94-1,396,301.01-257,008.38

Finding the Fourth Proportional to 930,885.94, 1,396,301.01 and 257,008.38

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Solution

The fourth proportional to 930,885.94, 1,396,301.01 and 257,008.38 is: 385,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,885.94 : 1,396,301.01 = 257,008.38 : x
  2. Step 2: Convert to fraction form
    930,885.94/1,396,301.01 = 257,008.38/x
  3. Step 3: Cross multiply
    930,885.94x = 1,396,301.01 × 257,008.38
  4. Step 4: Simplify right side
    930,885.94x = 358,861,060,572.46
  5. Step 5: Solve for x
    x = 358,861,060,572.46/930,885.94
  6. Step 6: Final answer
    x = 385,504.87

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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.