Home / 750,537.36-1,035,839.88-428,173.20

Finding the Fourth Proportional to 750,537.36, 1,035,839.88 and 428,173.20

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Solution

The fourth proportional to 750,537.36, 1,035,839.88 and 428,173.20 is: 590,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,537.36 : 1,035,839.88 = 428,173.20 : x
  2. Step 2: Convert to fraction form
    750,537.36/1,035,839.88 = 428,173.20/x
  3. Step 3: Cross multiply
    750,537.36x = 1,035,839.88 × 428,173.20
  4. Step 4: Simplify right side
    750,537.36x = 443,518,876,107.22
  5. Step 5: Solve for x
    x = 443,518,876,107.22/750,537.36
  6. Step 6: Final answer
    x = 590,935.11

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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.