Home / 654,040.81-981,061.65-180,726.61

Finding the Fourth Proportional to 654,040.81, 981,061.65 and 180,726.61

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Solution

The fourth proportional to 654,040.81, 981,061.65 and 180,726.61 is: 271,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,040.81 : 981,061.65 = 180,726.61 : x
  2. Step 2: Convert to fraction form
    654,040.81/981,061.65 = 180,726.61/x
  3. Step 3: Cross multiply
    654,040.81x = 981,061.65 × 180,726.61
  4. Step 4: Simplify right side
    654,040.81x = 177,303,946,205.51
  5. Step 5: Solve for x
    x = 177,303,946,205.51/654,040.81
  6. Step 6: Final answer
    x = 271,090.04

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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.