Home / 1,664,981.84-2,297,778.76-939,952.40

Finding the Fourth Proportional to 1,664,981.84, 2,297,778.76 and 939,952.40

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Solution

The fourth proportional to 1,664,981.84, 2,297,778.76 and 939,952.40 is: 1,297,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,981.84 : 2,297,778.76 = 939,952.40 : x
  2. Step 2: Convert to fraction form
    1,664,981.84/2,297,778.76 = 939,952.40/x
  3. Step 3: Cross multiply
    1,664,981.84x = 2,297,778.76 × 939,952.40
  4. Step 4: Simplify right side
    1,664,981.84x = 2,159,802,660,131.02
  5. Step 5: Solve for x
    x = 2,159,802,660,131.02/1,664,981.84
  6. Step 6: Final answer
    x = 1,297,192.92

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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.