Home / 881,685.81-1,216,739.68-494,587.01

Finding the Fourth Proportional to 881,685.81, 1,216,739.68 and 494,587.01

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Solution

The fourth proportional to 881,685.81, 1,216,739.68 and 494,587.01 is: 682,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,685.81 : 1,216,739.68 = 494,587.01 : x
  2. Step 2: Convert to fraction form
    881,685.81/1,216,739.68 = 494,587.01/x
  3. Step 3: Cross multiply
    881,685.81x = 1,216,739.68 × 494,587.01
  4. Step 4: Simplify right side
    881,685.81x = 601,783,642,084.94
  5. Step 5: Solve for x
    x = 601,783,642,084.94/881,685.81
  6. Step 6: Final answer
    x = 682,537.52

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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.