Home / 313,457.24-432,576.15-177,487.60

Finding the Fourth Proportional to 313,457.24, 432,576.15 and 177,487.60

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Solution

The fourth proportional to 313,457.24, 432,576.15 and 177,487.60 is: 244,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,457.24 : 432,576.15 = 177,487.60 : x
  2. Step 2: Convert to fraction form
    313,457.24/432,576.15 = 177,487.60/x
  3. Step 3: Cross multiply
    313,457.24x = 432,576.15 × 177,487.60
  4. Step 4: Simplify right side
    313,457.24x = 76,776,902,680.74
  5. Step 5: Solve for x
    x = 76,776,902,680.74/313,457.24
  6. Step 6: Final answer
    x = 244,935.81

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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.