Home / 1,282,783.80-1,924,175.70-683,436.45

Finding the Fourth Proportional to 1,282,783.80, 1,924,175.70 and 683,436.45

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Solution

The fourth proportional to 1,282,783.80, 1,924,175.70 and 683,436.45 is: 1,025,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,783.80 : 1,924,175.70 = 683,436.45 : x
  2. Step 2: Convert to fraction form
    1,282,783.80/1,924,175.70 = 683,436.45/x
  3. Step 3: Cross multiply
    1,282,783.80x = 1,924,175.70 × 683,436.45
  4. Step 4: Simplify right side
    1,282,783.80x = 1,315,051,809,584.26
  5. Step 5: Solve for x
    x = 1,315,051,809,584.26/1,282,783.80
  6. Step 6: Final answer
    x = 1,025,154.68

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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.