Home / 881,847.36-1,216,969.38-479,439.36

Finding the Fourth Proportional to 881,847.36, 1,216,969.38 and 479,439.36

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Solution

The fourth proportional to 881,847.36, 1,216,969.38 and 479,439.36 is: 661,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,847.36 : 1,216,969.38 = 479,439.36 : x
  2. Step 2: Convert to fraction form
    881,847.36/1,216,969.38 = 479,439.36/x
  3. Step 3: Cross multiply
    881,847.36x = 1,216,969.38 × 479,439.36
  4. Step 4: Simplify right side
    881,847.36x = 583,463,020,686.80
  5. Step 5: Solve for x
    x = 583,463,020,686.80/881,847.36
  6. Step 6: Final answer
    x = 661,637.20

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1.5x scale

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.