Home / 1,671,857.04-2,307,869-1,128,728.52

Finding the Fourth Proportional to 1,671,857.04, 2,307,869 and 1,128,728.52

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Solution

The fourth proportional to 1,671,857.04, 2,307,869 and 1,128,728.52 is: 1,558,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,857.04 : 2,307,869 = 1,128,728.52 : x
  2. Step 2: Convert to fraction form
    1,671,857.04/2,307,869 = 1,128,728.52/x
  3. Step 3: Cross multiply
    1,671,857.04x = 2,307,869 × 1,128,728.52
  4. Step 4: Simplify right side
    1,671,857.04x = 2,604,957,560,723.88
  5. Step 5: Solve for x
    x = 2,604,957,560,723.88/1,671,857.04
  6. Step 6: Final answer
    x = 1,558,122.19

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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.