Home / 1,257,888.51-1,735,878.75-684,927.31

Finding the Fourth Proportional to 1,257,888.51, 1,735,878.75 and 684,927.31

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Solution

The fourth proportional to 1,257,888.51, 1,735,878.75 and 684,927.31 is: 945,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,888.51 : 1,735,878.75 = 684,927.31 : x
  2. Step 2: Convert to fraction form
    1,257,888.51/1,735,878.75 = 684,927.31/x
  3. Step 3: Cross multiply
    1,257,888.51x = 1,735,878.75 × 684,927.31
  4. Step 4: Simplify right side
    1,257,888.51x = 1,188,950,762,723.66
  5. Step 5: Solve for x
    x = 1,188,950,762,723.66/1,257,888.51
  6. Step 6: Final answer
    x = 945,195.66

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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.