Home / 1,124,408.88-1,687,167.38-525,411.45

Finding the Fourth Proportional to 1,124,408.88, 1,687,167.38 and 525,411.45

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Solution

The fourth proportional to 1,124,408.88, 1,687,167.38 and 525,411.45 is: 788,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,408.88 : 1,687,167.38 = 525,411.45 : x
  2. Step 2: Convert to fraction form
    1,124,408.88/1,687,167.38 = 525,411.45/x
  3. Step 3: Cross multiply
    1,124,408.88x = 1,687,167.38 × 525,411.45
  4. Step 4: Simplify right side
    1,124,408.88x = 886,457,056,891.44
  5. Step 5: Solve for x
    x = 886,457,056,891.44/1,124,408.88
  6. Step 6: Final answer
    x = 788,376.07

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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.