Home / 3,959,117.34-5,938,779.20-1,263,438.92

Finding the Fourth Proportional to 3,959,117.34, 5,938,779.20 and 1,263,438.92

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Solution

The fourth proportional to 3,959,117.34, 5,938,779.20 and 1,263,438.92 is: 1,895,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,117.34 : 5,938,779.20 = 1,263,438.92 : x
  2. Step 2: Convert to fraction form
    3,959,117.34/5,938,779.20 = 1,263,438.92/x
  3. Step 3: Cross multiply
    3,959,117.34x = 5,938,779.20 × 1,263,438.92
  4. Step 4: Simplify right side
    3,959,117.34x = 7,503,284,742,555.37
  5. Step 5: Solve for x
    x = 7,503,284,742,555.37/3,959,117.34
  6. Step 6: Final answer
    x = 1,895,191.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.