Home / 1,158,057.64-1,598,119.70-641,844.86

Finding the Fourth Proportional to 1,158,057.64, 1,598,119.70 and 641,844.86

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Solution

The fourth proportional to 1,158,057.64, 1,598,119.70 and 641,844.86 is: 885,745.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,057.64 : 1,598,119.70 = 641,844.86 : x
  2. Step 2: Convert to fraction form
    1,158,057.64/1,598,119.70 = 641,844.86/x
  3. Step 3: Cross multiply
    1,158,057.64x = 1,598,119.70 × 641,844.86
  4. Step 4: Simplify right side
    1,158,057.64x = 1,025,744,911,900.52
  5. Step 5: Solve for x
    x = 1,025,744,911,900.52/1,158,057.64
  6. Step 6: Final answer
    x = 885,745.99

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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.