Home / 476,133.02-657,063.18-261,286.60

Finding the Fourth Proportional to 476,133.02, 657,063.18 and 261,286.60

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Solution

The fourth proportional to 476,133.02, 657,063.18 and 261,286.60 is: 360,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,133.02 : 657,063.18 = 261,286.60 : x
  2. Step 2: Convert to fraction form
    476,133.02/657,063.18 = 261,286.60/x
  3. Step 3: Cross multiply
    476,133.02x = 657,063.18 × 261,286.60
  4. Step 4: Simplify right side
    476,133.02x = 171,681,804,287.39
  5. Step 5: Solve for x
    x = 171,681,804,287.39/476,133.02
  6. Step 6: Final answer
    x = 360,575.30

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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.