Home / 1,077,879.03-1,616,542.67-319,543.16

Finding the Fourth Proportional to 1,077,879.03, 1,616,542.67 and 319,543.16

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Solution

The fourth proportional to 1,077,879.03, 1,616,542.67 and 319,543.16 is: 479,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,879.03 : 1,616,542.67 = 319,543.16 : x
  2. Step 2: Convert to fraction form
    1,077,879.03/1,616,542.67 = 319,543.16/x
  3. Step 3: Cross multiply
    1,077,879.03x = 1,616,542.67 × 319,543.16
  4. Step 4: Simplify right side
    1,077,879.03x = 516,555,143,366.21
  5. Step 5: Solve for x
    x = 516,555,143,366.21/1,077,879.03
  6. Step 6: Final answer
    x = 479,232.95

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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.