Home / 1,126,362.48-1,689,339.62-452,416.56

Finding the Fourth Proportional to 1,126,362.48, 1,689,339.62 and 452,416.56

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Solution

The fourth proportional to 1,126,362.48, 1,689,339.62 and 452,416.56 is: 678,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,362.48 : 1,689,339.62 = 452,416.56 : x
  2. Step 2: Convert to fraction form
    1,126,362.48/1,689,339.62 = 452,416.56/x
  3. Step 3: Cross multiply
    1,126,362.48x = 1,689,339.62 × 452,416.56
  4. Step 4: Simplify right side
    1,126,362.48x = 764,285,219,552.11
  5. Step 5: Solve for x
    x = 764,285,219,552.11/1,126,362.48
  6. Step 6: Final answer
    x = 678,542.86

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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.