Home / 1,676,749.53-2,515,495.40-611,788.51

Finding the Fourth Proportional to 1,676,749.53, 2,515,495.40 and 611,788.51

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Solution

The fourth proportional to 1,676,749.53, 2,515,495.40 and 611,788.51 is: 917,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,749.53 : 2,515,495.40 = 611,788.51 : x
  2. Step 2: Convert to fraction form
    1,676,749.53/2,515,495.40 = 611,788.51/x
  3. Step 3: Cross multiply
    1,676,749.53x = 2,515,495.40 × 611,788.51
  4. Step 4: Simplify right side
    1,676,749.53x = 1,538,951,185,057.49
  5. Step 5: Solve for x
    x = 1,538,951,185,057.49/1,676,749.53
  6. Step 6: Final answer
    x = 917,818.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.