Home / 767,288.73-1,058,866.50-423,136.94

Finding the Fourth Proportional to 767,288.73, 1,058,866.50 and 423,136.94

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Solution

The fourth proportional to 767,288.73, 1,058,866.50 and 423,136.94 is: 583,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,288.73 : 1,058,866.50 = 423,136.94 : x
  2. Step 2: Convert to fraction form
    767,288.73/1,058,866.50 = 423,136.94/x
  3. Step 3: Cross multiply
    767,288.73x = 1,058,866.50 × 423,136.94
  4. Step 4: Simplify right side
    767,288.73x = 448,045,525,384.18
  5. Step 5: Solve for x
    x = 448,045,525,384.18/767,288.73
  6. Step 6: Final answer
    x = 583,933.41

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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.