Home / 1,528,169.23-2,108,924.10-839,865.49

Finding the Fourth Proportional to 1,528,169.23, 2,108,924.10 and 839,865.49

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Solution

The fourth proportional to 1,528,169.23, 2,108,924.10 and 839,865.49 is: 1,159,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,169.23 : 2,108,924.10 = 839,865.49 : x
  2. Step 2: Convert to fraction form
    1,528,169.23/2,108,924.10 = 839,865.49/x
  3. Step 3: Cross multiply
    1,528,169.23x = 2,108,924.10 × 839,865.49
  4. Step 4: Simplify right side
    1,528,169.23x = 1,771,212,571,814.57
  5. Step 5: Solve for x
    x = 1,771,212,571,814.57/1,528,169.23
  6. Step 6: Final answer
    x = 1,159,042.16

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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.