Home / 476,160.86-657,110.04-261,320.91

Finding the Fourth Proportional to 476,160.86, 657,110.04 and 261,320.91

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Solution

The fourth proportional to 476,160.86, 657,110.04 and 261,320.91 is: 360,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,160.86 : 657,110.04 = 261,320.91 : x
  2. Step 2: Convert to fraction form
    476,160.86/657,110.04 = 261,320.91/x
  3. Step 3: Cross multiply
    476,160.86x = 657,110.04 × 261,320.91
  4. Step 4: Simplify right side
    476,160.86x = 171,716,593,622.94
  5. Step 5: Solve for x
    x = 171,716,593,622.94/476,160.86
  6. Step 6: Final answer
    x = 360,627.28

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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.