Home / 1,923,690.33-2,885,685.75-644,302.62

Finding the Fourth Proportional to 1,923,690.33, 2,885,685.75 and 644,302.62

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Solution

The fourth proportional to 1,923,690.33, 2,885,685.75 and 644,302.62 is: 966,504.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,690.33 : 2,885,685.75 = 644,302.62 : x
  2. Step 2: Convert to fraction form
    1,923,690.33/2,885,685.75 = 644,302.62/x
  3. Step 3: Cross multiply
    1,923,690.33x = 2,885,685.75 × 644,302.62
  4. Step 4: Simplify right side
    1,923,690.33x = 1,859,254,889,221.67
  5. Step 5: Solve for x
    x = 1,859,254,889,221.67/1,923,690.33
  6. Step 6: Final answer
    x = 966,504.25

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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.