Home / 476,101.70-657,018.54-261,245.35

Finding the Fourth Proportional to 476,101.70, 657,018.54 and 261,245.35

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Solution

The fourth proportional to 476,101.70, 657,018.54 and 261,245.35 is: 360,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,101.70 : 657,018.54 = 261,245.35 : x
  2. Step 2: Convert to fraction form
    476,101.70/657,018.54 = 261,245.35/x
  3. Step 3: Cross multiply
    476,101.70x = 657,018.54 × 261,245.35
  4. Step 4: Simplify right side
    476,101.70x = 171,643,039,260.06
  5. Step 5: Solve for x
    x = 171,643,039,260.06/476,101.70
  6. Step 6: Final answer
    x = 360,517.59

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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.