Home / 804,513.80-1,109,911.61-518,200.07

Finding the Fourth Proportional to 804,513.80, 1,109,911.61 and 518,200.07

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Solution

The fourth proportional to 804,513.80, 1,109,911.61 and 518,200.07 is: 714,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,513.80 : 1,109,911.61 = 518,200.07 : x
  2. Step 2: Convert to fraction form
    804,513.80/1,109,911.61 = 518,200.07/x
  3. Step 3: Cross multiply
    804,513.80x = 1,109,911.61 × 518,200.07
  4. Step 4: Simplify right side
    804,513.80x = 575,156,273,995.81
  5. Step 5: Solve for x
    x = 575,156,273,995.81/804,513.80
  6. Step 6: Final answer
    x = 714,911.63

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