Home / 1,381,087.07-1,905,995.93-837,245.78

Finding the Fourth Proportional to 1,381,087.07, 1,905,995.93 and 837,245.78

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Solution

The fourth proportional to 1,381,087.07, 1,905,995.93 and 837,245.78 is: 1,155,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,087.07 : 1,905,995.93 = 837,245.78 : x
  2. Step 2: Convert to fraction form
    1,381,087.07/1,905,995.93 = 837,245.78/x
  3. Step 3: Cross multiply
    1,381,087.07x = 1,905,995.93 × 837,245.78
  4. Step 4: Simplify right side
    1,381,087.07x = 1,595,787,035,373.47
  5. Step 5: Solve for x
    x = 1,595,787,035,373.47/1,381,087.07
  6. Step 6: Final answer
    x = 1,155,457.23

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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.