Home / 839,643.84-1,158,708.42-457,673.22

Finding the Fourth Proportional to 839,643.84, 1,158,708.42 and 457,673.22

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Solution

The fourth proportional to 839,643.84, 1,158,708.42 and 457,673.22 is: 631,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,643.84 : 1,158,708.42 = 457,673.22 : x
  2. Step 2: Convert to fraction form
    839,643.84/1,158,708.42 = 457,673.22/x
  3. Step 3: Cross multiply
    839,643.84x = 1,158,708.42 × 457,673.22
  4. Step 4: Simplify right side
    839,643.84x = 530,309,813,622.51
  5. Step 5: Solve for x
    x = 530,309,813,622.51/839,643.84
  6. Step 6: Final answer
    x = 631,589.00

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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.