Home / 1,706,272.72-2,556,402.36-1,520,938.96

Finding the Fourth Proportional to 1,706,272.72, 2,556,402.36 and 1,520,938.96

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Solution

The fourth proportional to 1,706,272.72, 2,556,402.36 and 1,520,938.96 is: 2,278,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706,272.72 : 2,556,402.36 = 1,520,938.96 : x
  2. Step 2: Convert to fraction form
    1,706,272.72/2,556,402.36 = 1,520,938.96/x
  3. Step 3: Cross multiply
    1,706,272.72x = 2,556,402.36 × 1,520,938.96
  4. Step 4: Simplify right side
    1,706,272.72x = 3,888,131,946,759.95
  5. Step 5: Solve for x
    x = 3,888,131,946,759.95/1,706,272.72
  6. Step 6: Final answer
    x = 2,278,728.31

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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.