Home / 1,301,896.05-1,953,155.72-543,315.66

Finding the Fourth Proportional to 1,301,896.05, 1,953,155.72 and 543,315.66

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Solution

The fourth proportional to 1,301,896.05, 1,953,155.72 and 543,315.66 is: 815,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,896.05 : 1,953,155.72 = 543,315.66 : x
  2. Step 2: Convert to fraction form
    1,301,896.05/1,953,155.72 = 543,315.66/x
  3. Step 3: Cross multiply
    1,301,896.05x = 1,953,155.72 × 543,315.66
  4. Step 4: Simplify right side
    1,301,896.05x = 1,061,180,089,094.58
  5. Step 5: Solve for x
    x = 1,061,180,089,094.58/1,301,896.05
  6. Step 6: Final answer
    x = 815,103.55

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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.