Home / 1,381,081.86-1,905,988.74-837,240.57

Finding the Fourth Proportional to 1,381,081.86, 1,905,988.74 and 837,240.57

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Solution

The fourth proportional to 1,381,081.86, 1,905,988.74 and 837,240.57 is: 1,155,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,081.86 : 1,905,988.74 = 837,240.57 : x
  2. Step 2: Convert to fraction form
    1,381,081.86/1,905,988.74 = 837,240.57/x
  3. Step 3: Cross multiply
    1,381,081.86x = 1,905,988.74 × 837,240.57
  4. Step 4: Simplify right side
    1,381,081.86x = 1,595,771,099,091.18
  5. Step 5: Solve for x
    x = 1,595,771,099,091.18/1,381,081.86
  6. Step 6: Final answer
    x = 1,155,450.05

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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.