Home / 1,185,250.98-1,635,650.66-641,386.72

Finding the Fourth Proportional to 1,185,250.98, 1,635,650.66 and 641,386.72

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Solution

The fourth proportional to 1,185,250.98, 1,635,650.66 and 641,386.72 is: 885,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,250.98 : 1,635,650.66 = 641,386.72 : x
  2. Step 2: Convert to fraction form
    1,185,250.98/1,635,650.66 = 641,386.72/x
  3. Step 3: Cross multiply
    1,185,250.98x = 1,635,650.66 × 641,386.72
  4. Step 4: Simplify right side
    1,185,250.98x = 1,049,084,611,883.24
  5. Step 5: Solve for x
    x = 1,049,084,611,883.24/1,185,250.98
  6. Step 6: Final answer
    x = 885,116.00

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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.