Home / 476,145.07-657,090.24-261,283.26

Finding the Fourth Proportional to 476,145.07, 657,090.24 and 261,283.26

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Solution

The fourth proportional to 476,145.07, 657,090.24 and 261,283.26 is: 360,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,145.07 : 657,090.24 = 261,283.26 : x
  2. Step 2: Convert to fraction form
    476,145.07/657,090.24 = 261,283.26/x
  3. Step 3: Cross multiply
    476,145.07x = 657,090.24 × 261,283.26
  4. Step 4: Simplify right side
    476,145.07x = 171,686,680,021.38
  5. Step 5: Solve for x
    x = 171,686,680,021.38/476,145.07
  6. Step 6: Final answer
    x = 360,576.41

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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.