Home / 1,455,306.80-1,993,777.42-1,400,762.30

Finding the Fourth Proportional to 1,455,306.80, 1,993,777.42 and 1,400,762.30

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Solution

The fourth proportional to 1,455,306.80, 1,993,777.42 and 1,400,762.30 is: 1,919,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,306.80 : 1,993,777.42 = 1,400,762.30 : x
  2. Step 2: Convert to fraction form
    1,455,306.80/1,993,777.42 = 1,400,762.30/x
  3. Step 3: Cross multiply
    1,455,306.80x = 1,993,777.42 × 1,400,762.30
  4. Step 4: Simplify right side
    1,455,306.80x = 2,792,808,244,527.27
  5. Step 5: Solve for x
    x = 2,792,808,244,527.27/1,455,306.80
  6. Step 6: Final answer
    x = 1,919,051.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.