Home / 864,371.81-1,192,899.06-477,261.87

Finding the Fourth Proportional to 864,371.81, 1,192,899.06 and 477,261.87

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Solution

The fourth proportional to 864,371.81, 1,192,899.06 and 477,261.87 is: 658,657.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,371.81 : 1,192,899.06 = 477,261.87 : x
  2. Step 2: Convert to fraction form
    864,371.81/1,192,899.06 = 477,261.87/x
  3. Step 3: Cross multiply
    864,371.81x = 1,192,899.06 × 477,261.87
  4. Step 4: Simplify right side
    864,371.81x = 569,325,236,096.84
  5. Step 5: Solve for x
    x = 569,325,236,096.84/864,371.81
  6. Step 6: Final answer
    x = 658,657.81

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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.