Home / 1,440,193.77-1,987,527.78-828,346.68

Finding the Fourth Proportional to 1,440,193.77, 1,987,527.78 and 828,346.68

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Solution

The fourth proportional to 1,440,193.77, 1,987,527.78 and 828,346.68 is: 1,143,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,193.77 : 1,987,527.78 = 828,346.68 : x
  2. Step 2: Convert to fraction form
    1,440,193.77/1,987,527.78 = 828,346.68/x
  3. Step 3: Cross multiply
    1,440,193.77x = 1,987,527.78 × 828,346.68
  4. Step 4: Simplify right side
    1,440,193.77x = 1,646,362,037,970.77
  5. Step 5: Solve for x
    x = 1,646,362,037,970.77/1,440,193.77
  6. Step 6: Final answer
    x = 1,143,153.15

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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.