Home / 1,012,852.20-1,517,237.10-632,605.80

Finding the Fourth Proportional to 1,012,852.20, 1,517,237.10 and 632,605.80

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Solution

The fourth proportional to 1,012,852.20, 1,517,237.10 and 632,605.80 is: 947,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,852.20 : 1,517,237.10 = 632,605.80 : x
  2. Step 2: Convert to fraction form
    1,012,852.20/1,517,237.10 = 632,605.80/x
  3. Step 3: Cross multiply
    1,012,852.20x = 1,517,237.10 × 632,605.80
  4. Step 4: Simplify right side
    1,012,852.20x = 959,812,989,435.18
  5. Step 5: Solve for x
    x = 959,812,989,435.18/1,012,852.20
  6. Step 6: Final answer
    x = 947,633.81

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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.