Home / 886,882.72-1,223,896.08-484,477.60

Finding the Fourth Proportional to 886,882.72, 1,223,896.08 and 484,477.60

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Solution

The fourth proportional to 886,882.72, 1,223,896.08 and 484,477.60 is: 668,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,882.72 : 1,223,896.08 = 484,477.60 : x
  2. Step 2: Convert to fraction form
    886,882.72/1,223,896.08 = 484,477.60/x
  3. Step 3: Cross multiply
    886,882.72x = 1,223,896.08 × 484,477.60
  4. Step 4: Simplify right side
    886,882.72x = 592,950,235,487.81
  5. Step 5: Solve for x
    x = 592,950,235,487.81/886,882.72
  6. Step 6: Final answer
    x = 668,577.96

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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.