Home / 476,166.35-657,117.54-261,326.40

Finding the Fourth Proportional to 476,166.35, 657,117.54 and 261,326.40

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Solution

The fourth proportional to 476,166.35, 657,117.54 and 261,326.40 is: 360,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,166.35 : 657,117.54 = 261,326.40 : x
  2. Step 2: Convert to fraction form
    476,166.35/657,117.54 = 261,326.40/x
  3. Step 3: Cross multiply
    476,166.35x = 657,117.54 × 261,326.40
  4. Step 4: Simplify right side
    476,166.35x = 171,722,161,105.06
  5. Step 5: Solve for x
    x = 171,722,161,105.06/476,166.35
  6. Step 6: Final answer
    x = 360,634.81

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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.