Home / 393,971.34-591,287.62-204,547.98

Finding the Fourth Proportional to 393,971.34, 591,287.62 and 204,547.98

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Solution

The fourth proportional to 393,971.34, 591,287.62 and 204,547.98 is: 306,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,971.34 : 591,287.62 = 204,547.98 : x
  2. Step 2: Convert to fraction form
    393,971.34/591,287.62 = 204,547.98/x
  3. Step 3: Cross multiply
    393,971.34x = 591,287.62 × 204,547.98
  4. Step 4: Simplify right side
    393,971.34x = 120,946,688,270.01
  5. Step 5: Solve for x
    x = 120,946,688,270.01/393,971.34
  6. Step 6: Final answer
    x = 306,993.62

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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.