Home / 986,058.18-1,360,732.59-556,378.29

Finding the Fourth Proportional to 986,058.18, 1,360,732.59 and 556,378.29

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Solution

The fourth proportional to 986,058.18, 1,360,732.59 and 556,378.29 is: 767,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,058.18 : 1,360,732.59 = 556,378.29 : x
  2. Step 2: Convert to fraction form
    986,058.18/1,360,732.59 = 556,378.29/x
  3. Step 3: Cross multiply
    986,058.18x = 1,360,732.59 × 556,378.29
  4. Step 4: Simplify right side
    986,058.18x = 757,082,071,571.47
  5. Step 5: Solve for x
    x = 757,082,071,571.47/986,058.18
  6. Step 6: Final answer
    x = 767,786.41

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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.