Home / 1,334,220.78-1,999,235.40-1,031,357.04

Finding the Fourth Proportional to 1,334,220.78, 1,999,235.40 and 1,031,357.04

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Solution

The fourth proportional to 1,334,220.78, 1,999,235.40 and 1,031,357.04 is: 1,545,415.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,220.78 : 1,999,235.40 = 1,031,357.04 : x
  2. Step 2: Convert to fraction form
    1,334,220.78/1,999,235.40 = 1,031,357.04/x
  3. Step 3: Cross multiply
    1,334,220.78x = 1,999,235.40 × 1,031,357.04
  4. Step 4: Simplify right side
    1,334,220.78x = 2,061,925,504,407.22
  5. Step 5: Solve for x
    x = 2,061,925,504,407.22/1,334,220.78
  6. Step 6: Final answer
    x = 1,545,415.52

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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.