Home / 1,205,800.02-1,807,324.04-485,680.55

Finding the Fourth Proportional to 1,205,800.02, 1,807,324.04 and 485,680.55

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Solution

The fourth proportional to 1,205,800.02, 1,807,324.04 and 485,680.55 is: 727,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,800.02 : 1,807,324.04 = 485,680.55 : x
  2. Step 2: Convert to fraction form
    1,205,800.02/1,807,324.04 = 485,680.55/x
  3. Step 3: Cross multiply
    1,205,800.02x = 1,807,324.04 × 485,680.55
  4. Step 4: Simplify right side
    1,205,800.02x = 877,782,134,848.44
  5. Step 5: Solve for x
    x = 877,782,134,848.44/1,205,800.02
  6. Step 6: Final answer
    x = 727,966.60

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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.