Home / 804,152.04-1,108,969.18-528,022.90

Finding the Fourth Proportional to 804,152.04, 1,108,969.18 and 528,022.90

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Solution

The fourth proportional to 804,152.04, 1,108,969.18 and 528,022.90 is: 728,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,152.04 : 1,108,969.18 = 528,022.90 : x
  2. Step 2: Convert to fraction form
    804,152.04/1,108,969.18 = 528,022.90/x
  3. Step 3: Cross multiply
    804,152.04x = 1,108,969.18 × 528,022.90
  4. Step 4: Simplify right side
    804,152.04x = 585,561,122,434.22
  5. Step 5: Solve for x
    x = 585,561,122,434.22/804,152.04
  6. Step 6: Final answer
    x = 728,172.15

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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.