Home / 1,214,772.56-1,822,207.80-456,534.80

Finding the Fourth Proportional to 1,214,772.56, 1,822,207.80 and 456,534.80

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Solution

The fourth proportional to 1,214,772.56, 1,822,207.80 and 456,534.80 is: 684,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,772.56 : 1,822,207.80 = 456,534.80 : x
  2. Step 2: Convert to fraction form
    1,214,772.56/1,822,207.80 = 456,534.80/x
  3. Step 3: Cross multiply
    1,214,772.56x = 1,822,207.80 × 456,534.80
  4. Step 4: Simplify right side
    1,214,772.56x = 831,901,273,531.44
  5. Step 5: Solve for x
    x = 831,901,273,531.44/1,214,772.56
  6. Step 6: Final answer
    x = 684,820.60

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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.