Home / 1,685,083.50-2,325,415.23-921,142.53

Finding the Fourth Proportional to 1,685,083.50, 2,325,415.23 and 921,142.53

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Solution

The fourth proportional to 1,685,083.50, 2,325,415.23 and 921,142.53 is: 1,271,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,083.50 : 2,325,415.23 = 921,142.53 : x
  2. Step 2: Convert to fraction form
    1,685,083.50/2,325,415.23 = 921,142.53/x
  3. Step 3: Cross multiply
    1,685,083.50x = 2,325,415.23 × 921,142.53
  4. Step 4: Simplify right side
    1,685,083.50x = 2,142,038,868,262.73
  5. Step 5: Solve for x
    x = 2,142,038,868,262.73/1,685,083.50
  6. Step 6: Final answer
    x = 1,271,176.69

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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.