Home / 728,114.00-1,004,328.25-483,093.45

Finding the Fourth Proportional to 728,114.00, 1,004,328.25 and 483,093.45

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Solution

The fourth proportional to 728,114.00, 1,004,328.25 and 483,093.45 is: 666,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,114.00 : 1,004,328.25 = 483,093.45 : x
  2. Step 2: Convert to fraction form
    728,114.00/1,004,328.25 = 483,093.45/x
  3. Step 3: Cross multiply
    728,114.00x = 1,004,328.25 × 483,093.45
  4. Step 4: Simplify right side
    728,114.00x = 485,184,398,017.23
  5. Step 5: Solve for x
    x = 485,184,398,017.23/728,114.00
  6. Step 6: Final answer
    x = 666,357.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.