Home / 476,211.49-657,151.28-261,355.21

Finding the Fourth Proportional to 476,211.49, 657,151.28 and 261,355.21

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Solution

The fourth proportional to 476,211.49, 657,151.28 and 261,355.21 is: 360,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,211.49 : 657,151.28 = 261,355.21 : x
  2. Step 2: Convert to fraction form
    476,211.49/657,151.28 = 261,355.21/x
  3. Step 3: Cross multiply
    476,211.49x = 657,151.28 × 261,355.21
  4. Step 4: Simplify right side
    476,211.49x = 171,749,908,816.60
  5. Step 5: Solve for x
    x = 171,749,908,816.60/476,211.49
  6. Step 6: Final answer
    x = 360,658.89

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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.