Home / 856,616.23-1,284,807.71-225,477.19

Finding the Fourth Proportional to 856,616.23, 1,284,807.71 and 225,477.19

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Solution

The fourth proportional to 856,616.23, 1,284,807.71 and 225,477.19 is: 338,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,616.23 : 1,284,807.71 = 225,477.19 : x
  2. Step 2: Convert to fraction form
    856,616.23/1,284,807.71 = 225,477.19/x
  3. Step 3: Cross multiply
    856,616.23x = 1,284,807.71 × 225,477.19
  4. Step 4: Simplify right side
    856,616.23x = 289,694,831,013.75
  5. Step 5: Solve for x
    x = 289,694,831,013.75/856,616.23
  6. Step 6: Final answer
    x = 338,185.08

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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.