Home / 1,157,906.47-1,597,999.58-728,554.63

Finding the Fourth Proportional to 1,157,906.47, 1,597,999.58 and 728,554.63

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Solution

The fourth proportional to 1,157,906.47, 1,597,999.58 and 728,554.63 is: 1,005,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,906.47 : 1,597,999.58 = 728,554.63 : x
  2. Step 2: Convert to fraction form
    1,157,906.47/1,597,999.58 = 728,554.63/x
  3. Step 3: Cross multiply
    1,157,906.47x = 1,597,999.58 × 728,554.63
  4. Step 4: Simplify right side
    1,157,906.47x = 1,164,229,992,747.06
  5. Step 5: Solve for x
    x = 1,164,229,992,747.06/1,157,906.47
  6. Step 6: Final answer
    x = 1,005,461.17

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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.