Home / 1,072,183.05-1,604,254.74-638,313.54

Finding the Fourth Proportional to 1,072,183.05, 1,604,254.74 and 638,313.54

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Solution

The fourth proportional to 1,072,183.05, 1,604,254.74 and 638,313.54 is: 955,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,183.05 : 1,604,254.74 = 638,313.54 : x
  2. Step 2: Convert to fraction form
    1,072,183.05/1,604,254.74 = 638,313.54/x
  3. Step 3: Cross multiply
    1,072,183.05x = 1,604,254.74 × 638,313.54
  4. Step 4: Simplify right side
    1,072,183.05x = 1,024,017,520,048.77
  5. Step 5: Solve for x
    x = 1,024,017,520,048.77/1,072,183.05
  6. Step 6: Final answer
    x = 955,077.14

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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.