Home / 476,476.68-657,548.42-261,617.60

Finding the Fourth Proportional to 476,476.68, 657,548.42 and 261,617.60

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Solution

The fourth proportional to 476,476.68, 657,548.42 and 261,617.60 is: 361,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,476.68 : 657,548.42 = 261,617.60 : x
  2. Step 2: Convert to fraction form
    476,476.68/657,548.42 = 261,617.60/x
  3. Step 3: Cross multiply
    476,476.68x = 657,548.42 × 261,617.60
  4. Step 4: Simplify right side
    476,476.68x = 172,026,239,524.19
  5. Step 5: Solve for x
    x = 172,026,239,524.19/476,476.68
  6. Step 6: Final answer
    x = 361,038.11

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1.5x scale

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.