Home / 810,022.21-1,117,823.49-447,471.27

Finding the Fourth Proportional to 810,022.21, 1,117,823.49 and 447,471.27

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Solution

The fourth proportional to 810,022.21, 1,117,823.49 and 447,471.27 is: 617,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,022.21 : 1,117,823.49 = 447,471.27 : x
  2. Step 2: Convert to fraction form
    810,022.21/1,117,823.49 = 447,471.27/x
  3. Step 3: Cross multiply
    810,022.21x = 1,117,823.49 × 447,471.27
  4. Step 4: Simplify right side
    810,022.21x = 500,193,896,706.13
  5. Step 5: Solve for x
    x = 500,193,896,706.13/810,022.21
  6. Step 6: Final answer
    x = 617,506.40

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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.