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Finding the Fourth Proportional to 974,096, 1,344,158.16 and 611,403.92

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Solution

The fourth proportional to 974,096, 1,344,158.16 and 611,403.92 is: 843,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,096 : 1,344,158.16 = 611,403.92 : x
  2. Step 2: Convert to fraction form
    974,096/1,344,158.16 = 611,403.92/x
  3. Step 3: Cross multiply
    974,096x = 1,344,158.16 × 611,403.92
  4. Step 4: Simplify right side
    974,096x = 821,823,568,123.99
  5. Step 5: Solve for x
    x = 821,823,568,123.99/974,096
  6. Step 6: Final answer
    x = 843,678.21

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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.