Home / 1,382,824.98-1,908,423.81-839,098.53

Finding the Fourth Proportional to 1,382,824.98, 1,908,423.81 and 839,098.53

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Solution

The fourth proportional to 1,382,824.98, 1,908,423.81 and 839,098.53 is: 1,158,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,824.98 : 1,908,423.81 = 839,098.53 : x
  2. Step 2: Convert to fraction form
    1,382,824.98/1,908,423.81 = 839,098.53/x
  3. Step 3: Cross multiply
    1,382,824.98x = 1,908,423.81 × 839,098.53
  4. Step 4: Simplify right side
    1,382,824.98x = 1,601,355,613,588.00
  5. Step 5: Solve for x
    x = 1,601,355,613,588.00/1,382,824.98
  6. Step 6: Final answer
    x = 1,158,032.03

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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.