Home / 1,185,168.64-1,635,208.64-675,685.12

Finding the Fourth Proportional to 1,185,168.64, 1,635,208.64 and 675,685.12

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Solution

The fourth proportional to 1,185,168.64, 1,635,208.64 and 675,685.12 is: 932,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,168.64 : 1,635,208.64 = 675,685.12 : x
  2. Step 2: Convert to fraction form
    1,185,168.64/1,635,208.64 = 675,685.12/x
  3. Step 3: Cross multiply
    1,185,168.64x = 1,635,208.64 × 675,685.12
  4. Step 4: Simplify right side
    1,185,168.64x = 1,104,886,146,143.44
  5. Step 5: Solve for x
    x = 1,104,886,146,143.44/1,185,168.64
  6. Step 6: Final answer
    x = 932,260.70

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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.