Home / 522,968.93-722,042.29-401,890.13

Finding the Fourth Proportional to 522,968.93, 722,042.29 and 401,890.13

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Solution

The fourth proportional to 522,968.93, 722,042.29 and 401,890.13 is: 554,873.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,968.93 : 722,042.29 = 401,890.13 : x
  2. Step 2: Convert to fraction form
    522,968.93/722,042.29 = 401,890.13/x
  3. Step 3: Cross multiply
    522,968.93x = 722,042.29 × 401,890.13
  4. Step 4: Simplify right side
    522,968.93x = 290,181,672,603.43
  5. Step 5: Solve for x
    x = 290,181,672,603.43/522,968.93
  6. Step 6: Final answer
    x = 554,873.64

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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.