Home / 1,254,777.51-1,731,603.90-681,817.68

Finding the Fourth Proportional to 1,254,777.51, 1,731,603.90 and 681,817.68

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Solution

The fourth proportional to 1,254,777.51, 1,731,603.90 and 681,817.68 is: 940,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,777.51 : 1,731,603.90 = 681,817.68 : x
  2. Step 2: Convert to fraction form
    1,254,777.51/1,731,603.90 = 681,817.68/x
  3. Step 3: Cross multiply
    1,254,777.51x = 1,731,603.90 × 681,817.68
  4. Step 4: Simplify right side
    1,254,777.51x = 1,180,638,153,776.95
  5. Step 5: Solve for x
    x = 1,180,638,153,776.95/1,254,777.51
  6. Step 6: Final answer
    x = 940,914.34

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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.