Home / 476,106.80-657,005.36-261,241.52

Finding the Fourth Proportional to 476,106.80, 657,005.36 and 261,241.52

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Solution

The fourth proportional to 476,106.80, 657,005.36 and 261,241.52 is: 360,501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,106.80 : 657,005.36 = 261,241.52 : x
  2. Step 2: Convert to fraction form
    476,106.80/657,005.36 = 261,241.52/x
  3. Step 3: Cross multiply
    476,106.80x = 657,005.36 × 261,241.52
  4. Step 4: Simplify right side
    476,106.80x = 171,637,078,894.55
  5. Step 5: Solve for x
    x = 171,637,078,894.55/476,106.80
  6. Step 6: Final answer
    x = 360,501.21

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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.