Home / 1,215,593.37-1,677,619.86-671,835.30

Finding the Fourth Proportional to 1,215,593.37, 1,677,619.86 and 671,835.30

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Solution

The fourth proportional to 1,215,593.37, 1,677,619.86 and 671,835.30 is: 927,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,593.37 : 1,677,619.86 = 671,835.30 : x
  2. Step 2: Convert to fraction form
    1,215,593.37/1,677,619.86 = 671,835.30/x
  3. Step 3: Cross multiply
    1,215,593.37x = 1,677,619.86 × 671,835.30
  4. Step 4: Simplify right side
    1,215,593.37x = 1,127,084,241,929.06
  5. Step 5: Solve for x
    x = 1,127,084,241,929.06/1,215,593.37
  6. Step 6: Final answer
    x = 927,188.54

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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.