Home / 1,683,564.56-2,525,720-485,393.38

Finding the Fourth Proportional to 1,683,564.56, 2,525,720 and 485,393.38

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Solution

The fourth proportional to 1,683,564.56, 2,525,720 and 485,393.38 is: 728,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,564.56 : 2,525,720 = 485,393.38 : x
  2. Step 2: Convert to fraction form
    1,683,564.56/2,525,720 = 485,393.38/x
  3. Step 3: Cross multiply
    1,683,564.56x = 2,525,720 × 485,393.38
  4. Step 4: Simplify right side
    1,683,564.56x = 1,225,967,767,733.60
  5. Step 5: Solve for x
    x = 1,225,967,767,733.60/1,683,564.56
  6. Step 6: Final answer
    x = 728,197.66

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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.