Home / 394,210.17-591,688.80-243,996.03

Finding the Fourth Proportional to 394,210.17, 591,688.80 and 243,996.03

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Solution

The fourth proportional to 394,210.17, 591,688.80 and 243,996.03 is: 366,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,210.17 : 591,688.80 = 243,996.03 : x
  2. Step 2: Convert to fraction form
    394,210.17/591,688.80 = 243,996.03/x
  3. Step 3: Cross multiply
    394,210.17x = 591,688.80 × 243,996.03
  4. Step 4: Simplify right side
    394,210.17x = 144,369,718,195.46
  5. Step 5: Solve for x
    x = 144,369,718,195.46/394,210.17
  6. Step 6: Final answer
    x = 366,225.25

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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.