Home / 876,631.61-1,313,849.73-470,826.59

Finding the Fourth Proportional to 876,631.61, 1,313,849.73 and 470,826.59

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Solution

The fourth proportional to 876,631.61, 1,313,849.73 and 470,826.59 is: 705,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,631.61 : 1,313,849.73 = 470,826.59 : x
  2. Step 2: Convert to fraction form
    876,631.61/1,313,849.73 = 470,826.59/x
  3. Step 3: Cross multiply
    876,631.61x = 1,313,849.73 × 470,826.59
  4. Step 4: Simplify right side
    876,631.61x = 618,595,384,695.69
  5. Step 5: Solve for x
    x = 618,595,384,695.69/876,631.61
  6. Step 6: Final answer
    x = 705,650.33

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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.