Home / 1,124,426.88-1,687,194.48-525,429.36

Finding the Fourth Proportional to 1,124,426.88, 1,687,194.48 and 525,429.36

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Solution

The fourth proportional to 1,124,426.88, 1,687,194.48 and 525,429.36 is: 788,402.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,426.88 : 1,687,194.48 = 525,429.36 : x
  2. Step 2: Convert to fraction form
    1,124,426.88/1,687,194.48 = 525,429.36/x
  3. Step 3: Cross multiply
    1,124,426.88x = 1,687,194.48 × 525,429.36
  4. Step 4: Simplify right side
    1,124,426.88x = 886,501,515,821.93
  5. Step 5: Solve for x
    x = 886,501,515,821.93/1,124,426.88
  6. Step 6: Final answer
    x = 788,402.99

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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.