Home / 821,362.02-1,229,045.60-484,564.02

Finding the Fourth Proportional to 821,362.02, 1,229,045.60 and 484,564.02

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Solution

The fourth proportional to 821,362.02, 1,229,045.60 and 484,564.02 is: 725,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,362.02 : 1,229,045.60 = 484,564.02 : x
  2. Step 2: Convert to fraction form
    821,362.02/1,229,045.60 = 484,564.02/x
  3. Step 3: Cross multiply
    821,362.02x = 1,229,045.60 × 484,564.02
  4. Step 4: Simplify right side
    821,362.02x = 595,551,276,699.31
  5. Step 5: Solve for x
    x = 595,551,276,699.31/821,362.02
  6. Step 6: Final answer
    x = 725,077.69

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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.