Home / 1,457,356.36-2,185,870.38-392,476.36

Finding the Fourth Proportional to 1,457,356.36, 2,185,870.38 and 392,476.36

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Solution

The fourth proportional to 1,457,356.36, 2,185,870.38 and 392,476.36 is: 588,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,356.36 : 2,185,870.38 = 392,476.36 : x
  2. Step 2: Convert to fraction form
    1,457,356.36/2,185,870.38 = 392,476.36/x
  3. Step 3: Cross multiply
    1,457,356.36x = 2,185,870.38 × 392,476.36
  4. Step 4: Simplify right side
    1,457,356.36x = 857,902,450,174.22
  5. Step 5: Solve for x
    x = 857,902,450,174.22/1,457,356.36
  6. Step 6: Final answer
    x = 588,670.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.