Home / 1,677,542.21-2,315,073.78-952,457.39

Finding the Fourth Proportional to 1,677,542.21, 2,315,073.78 and 952,457.39

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Solution

The fourth proportional to 1,677,542.21, 2,315,073.78 and 952,457.39 is: 1,314,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,542.21 : 2,315,073.78 = 952,457.39 : x
  2. Step 2: Convert to fraction form
    1,677,542.21/2,315,073.78 = 952,457.39/x
  3. Step 3: Cross multiply
    1,677,542.21x = 2,315,073.78 × 952,457.39
  4. Step 4: Simplify right side
    1,677,542.21x = 2,205,009,118,580.87
  5. Step 5: Solve for x
    x = 2,205,009,118,580.87/1,677,542.21
  6. Step 6: Final answer
    x = 1,314,428.40

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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.