Home / 1,285,205.76-1,927,661.76-338,650.56

Finding the Fourth Proportional to 1,285,205.76, 1,927,661.76 and 338,650.56

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Solution

The fourth proportional to 1,285,205.76, 1,927,661.76 and 338,650.56 is: 507,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,205.76 : 1,927,661.76 = 338,650.56 : x
  2. Step 2: Convert to fraction form
    1,285,205.76/1,927,661.76 = 338,650.56/x
  3. Step 3: Cross multiply
    1,285,205.76x = 1,927,661.76 × 338,650.56
  4. Step 4: Simplify right side
    1,285,205.76x = 652,803,734,514.59
  5. Step 5: Solve for x
    x = 652,803,734,514.59/1,285,205.76
  6. Step 6: Final answer
    x = 507,937.14

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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.