Home / 1,185,323.58-1,635,746.49-641,459.34

Finding the Fourth Proportional to 1,185,323.58, 1,635,746.49 and 641,459.34

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Solution

The fourth proportional to 1,185,323.58, 1,635,746.49 and 641,459.34 is: 885,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,323.58 : 1,635,746.49 = 641,459.34 : x
  2. Step 2: Convert to fraction form
    1,185,323.58/1,635,746.49 = 641,459.34/x
  3. Step 3: Cross multiply
    1,185,323.58x = 1,635,746.49 × 641,459.34
  4. Step 4: Simplify right side
    1,185,323.58x = 1,049,264,863,882.72
  5. Step 5: Solve for x
    x = 1,049,264,863,882.72/1,185,323.58
  6. Step 6: Final answer
    x = 885,213.86

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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.