Home / 683,405.10-1,025,107.65-523,972.80

Finding the Fourth Proportional to 683,405.10, 1,025,107.65 and 523,972.80

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Solution

The fourth proportional to 683,405.10, 1,025,107.65 and 523,972.80 is: 785,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,405.10 : 1,025,107.65 = 523,972.80 : x
  2. Step 2: Convert to fraction form
    683,405.10/1,025,107.65 = 523,972.80/x
  3. Step 3: Cross multiply
    683,405.10x = 1,025,107.65 × 523,972.80
  4. Step 4: Simplify right side
    683,405.10x = 537,128,525,671.92
  5. Step 5: Solve for x
    x = 537,128,525,671.92/683,405.10
  6. Step 6: Final answer
    x = 785,959.20

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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.