Home / 889,919.78-1,227,750.30-657,903.83

Finding the Fourth Proportional to 889,919.78, 1,227,750.30 and 657,903.83

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Solution

The fourth proportional to 889,919.78, 1,227,750.30 and 657,903.83 is: 907,656.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,919.78 : 1,227,750.30 = 657,903.83 : x
  2. Step 2: Convert to fraction form
    889,919.78/1,227,750.30 = 657,903.83/x
  3. Step 3: Cross multiply
    889,919.78x = 1,227,750.30 × 657,903.83
  4. Step 4: Simplify right side
    889,919.78x = 807,741,618,514.90
  5. Step 5: Solve for x
    x = 807,741,618,514.90/889,919.78
  6. Step 6: Final answer
    x = 907,656.67

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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.