Home / 1,181,108.48-1,629,878.64-671,806.40

Finding the Fourth Proportional to 1,181,108.48, 1,629,878.64 and 671,806.40

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Solution

The fourth proportional to 1,181,108.48, 1,629,878.64 and 671,806.40 is: 927,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,108.48 : 1,629,878.64 = 671,806.40 : x
  2. Step 2: Convert to fraction form
    1,181,108.48/1,629,878.64 = 671,806.40/x
  3. Step 3: Cross multiply
    1,181,108.48x = 1,629,878.64 × 671,806.40
  4. Step 4: Simplify right side
    1,181,108.48x = 1,094,962,901,575.30
  5. Step 5: Solve for x
    x = 1,094,962,901,575.30/1,181,108.48
  6. Step 6: Final answer
    x = 927,063.79

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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.