Home / 476,123.07-657,027.27-261,258.42

Finding the Fourth Proportional to 476,123.07, 657,027.27 and 261,258.42

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Solution

The fourth proportional to 476,123.07, 657,027.27 and 261,258.42 is: 360,524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,123.07 : 657,027.27 = 261,258.42 : x
  2. Step 2: Convert to fraction form
    476,123.07/657,027.27 = 261,258.42/x
  3. Step 3: Cross multiply
    476,123.07x = 657,027.27 × 261,258.42
  4. Step 4: Simplify right side
    476,123.07x = 171,653,906,457.11
  5. Step 5: Solve for x
    x = 171,653,906,457.11/476,123.07
  6. Step 6: Final answer
    x = 360,524.24

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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.