Home / 1,227,161.58-1,840,126.40-714,992.50

Finding the Fourth Proportional to 1,227,161.58, 1,840,126.40 and 714,992.50

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Solution

The fourth proportional to 1,227,161.58, 1,840,126.40 and 714,992.50 is: 1,072,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,161.58 : 1,840,126.40 = 714,992.50 : x
  2. Step 2: Convert to fraction form
    1,227,161.58/1,840,126.40 = 714,992.50/x
  3. Step 3: Cross multiply
    1,227,161.58x = 1,840,126.40 × 714,992.50
  4. Step 4: Simplify right side
    1,227,161.58x = 1,315,676,575,052
  5. Step 5: Solve for x
    x = 1,315,676,575,052/1,227,161.58
  6. Step 6: Final answer
    x = 1,072,129.86

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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.