Home / 824,491.02-1,137,870.84-461,912.52

Finding the Fourth Proportional to 824,491.02, 1,137,870.84 and 461,912.52

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Solution

The fourth proportional to 824,491.02, 1,137,870.84 and 461,912.52 is: 637,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,491.02 : 1,137,870.84 = 461,912.52 : x
  2. Step 2: Convert to fraction form
    824,491.02/1,137,870.84 = 461,912.52/x
  3. Step 3: Cross multiply
    824,491.02x = 1,137,870.84 × 461,912.52
  4. Step 4: Simplify right side
    824,491.02x = 525,596,787,138.92
  5. Step 5: Solve for x
    x = 525,596,787,138.92/824,491.02
  6. Step 6: Final answer
    x = 637,480.31

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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.