Home / 1,684,784.24-2,323,664.48-1,272,696.24

Finding the Fourth Proportional to 1,684,784.24, 2,323,664.48 and 1,272,696.24

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Solution

The fourth proportional to 1,684,784.24, 2,323,664.48 and 1,272,696.24 is: 1,755,310.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,784.24 : 2,323,664.48 = 1,272,696.24 : x
  2. Step 2: Convert to fraction form
    1,684,784.24/2,323,664.48 = 1,272,696.24/x
  3. Step 3: Cross multiply
    1,684,784.24x = 2,323,664.48 × 1,272,696.24
  4. Step 4: Simplify right side
    1,684,784.24x = 2,957,319,046,717.56
  5. Step 5: Solve for x
    x = 2,957,319,046,717.56/1,684,784.24
  6. Step 6: Final answer
    x = 1,755,310.25

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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.