Home / 566,268.36-781,440.24-308,136.53

Finding the Fourth Proportional to 566,268.36, 781,440.24 and 308,136.53

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Solution

The fourth proportional to 566,268.36, 781,440.24 and 308,136.53 is: 425,222.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,268.36 : 781,440.24 = 308,136.53 : x
  2. Step 2: Convert to fraction form
    566,268.36/781,440.24 = 308,136.53/x
  3. Step 3: Cross multiply
    566,268.36x = 781,440.24 × 308,136.53
  4. Step 4: Simplify right side
    566,268.36x = 240,790,280,048.77
  5. Step 5: Solve for x
    x = 240,790,280,048.77/566,268.36
  6. Step 6: Final answer
    x = 425,222.91

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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.