Home / 482,505.76-723,547.44-198,001.12

Finding the Fourth Proportional to 482,505.76, 723,547.44 and 198,001.12

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Solution

The fourth proportional to 482,505.76, 723,547.44 and 198,001.12 is: 296,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,505.76 : 723,547.44 = 198,001.12 : x
  2. Step 2: Convert to fraction form
    482,505.76/723,547.44 = 198,001.12/x
  3. Step 3: Cross multiply
    482,505.76x = 723,547.44 × 198,001.12
  4. Step 4: Simplify right side
    482,505.76x = 143,263,203,493.13
  5. Step 5: Solve for x
    x = 143,263,203,493.13/482,505.76
  6. Step 6: Final answer
    x = 296,915.01

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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.