Home / 1,670,638.78-2,505,396.54-605,457.82

Finding the Fourth Proportional to 1,670,638.78, 2,505,396.54 and 605,457.82

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Solution

The fourth proportional to 1,670,638.78, 2,505,396.54 and 605,457.82 is: 907,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,638.78 : 2,505,396.54 = 605,457.82 : x
  2. Step 2: Convert to fraction form
    1,670,638.78/2,505,396.54 = 605,457.82/x
  3. Step 3: Cross multiply
    1,670,638.78x = 2,505,396.54 × 605,457.82
  4. Step 4: Simplify right side
    1,670,638.78x = 1,516,911,927,343.94
  5. Step 5: Solve for x
    x = 1,516,911,927,343.94/1,670,638.78
  6. Step 6: Final answer
    x = 907,983.19

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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.