Home / 476,664.96-715,010.40-144,240.96

Finding the Fourth Proportional to 476,664.96, 715,010.40 and 144,240.96

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Solution

The fourth proportional to 476,664.96, 715,010.40 and 144,240.96 is: 216,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,664.96 : 715,010.40 = 144,240.96 : x
  2. Step 2: Convert to fraction form
    476,664.96/715,010.40 = 144,240.96/x
  3. Step 3: Cross multiply
    476,664.96x = 715,010.40 × 144,240.96
  4. Step 4: Simplify right side
    476,664.96x = 103,133,786,505.98
  5. Step 5: Solve for x
    x = 103,133,786,505.98/476,664.96
  6. Step 6: Final answer
    x = 216,365.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.