Home / 447,919.16-618,128.32-246,715.16

Finding the Fourth Proportional to 447,919.16, 618,128.32 and 246,715.16

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Solution

The fourth proportional to 447,919.16, 618,128.32 and 246,715.16 is: 340,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,919.16 : 618,128.32 = 246,715.16 : x
  2. Step 2: Convert to fraction form
    447,919.16/618,128.32 = 246,715.16/x
  3. Step 3: Cross multiply
    447,919.16x = 618,128.32 × 246,715.16
  4. Step 4: Simplify right side
    447,919.16x = 152,501,627,369.33
  5. Step 5: Solve for x
    x = 152,501,627,369.33/447,919.16
  6. Step 6: Final answer
    x = 340,466.85

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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.