Home / 401,733.16-554,651.47-248,933.50

Finding the Fourth Proportional to 401,733.16, 554,651.47 and 248,933.50

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Solution

The fourth proportional to 401,733.16, 554,651.47 and 248,933.50 is: 343,689.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,733.16 : 554,651.47 = 248,933.50 : x
  2. Step 2: Convert to fraction form
    401,733.16/554,651.47 = 248,933.50/x
  3. Step 3: Cross multiply
    401,733.16x = 554,651.47 × 248,933.50
  4. Step 4: Simplify right side
    401,733.16x = 138,071,331,707.25
  5. Step 5: Solve for x
    x = 138,071,331,707.25/401,733.16
  6. Step 6: Final answer
    x = 343,689.16

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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.