Home / 307,424.30-461,136.45-283,804.70

Finding the Fourth Proportional to 307,424.30, 461,136.45 and 283,804.70

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Solution

The fourth proportional to 307,424.30, 461,136.45 and 283,804.70 is: 425,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,424.30 : 461,136.45 = 283,804.70 : x
  2. Step 2: Convert to fraction form
    307,424.30/461,136.45 = 283,804.70/x
  3. Step 3: Cross multiply
    307,424.30x = 461,136.45 × 283,804.70
  4. Step 4: Simplify right side
    307,424.30x = 130,872,691,851.32
  5. Step 5: Solve for x
    x = 130,872,691,851.32/307,424.30
  6. Step 6: Final answer
    x = 425,707.05

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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.