Home / 854,328.58-1,178,958.81-609,763.66

Finding the Fourth Proportional to 854,328.58, 1,178,958.81 and 609,763.66

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Solution

The fourth proportional to 854,328.58, 1,178,958.81 and 609,763.66 is: 841,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,328.58 : 1,178,958.81 = 609,763.66 : x
  2. Step 2: Convert to fraction form
    854,328.58/1,178,958.81 = 609,763.66/x
  3. Step 3: Cross multiply
    854,328.58x = 1,178,958.81 × 609,763.66
  4. Step 4: Simplify right side
    854,328.58x = 718,886,238,974.85
  5. Step 5: Solve for x
    x = 718,886,238,974.85/854,328.58
  6. Step 6: Final answer
    x = 841,463.41

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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.