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Finding the Fourth Proportional to 867,879.63, 1,197,395.19 and 562,190.22

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Solution

The fourth proportional to 867,879.63, 1,197,395.19 and 562,190.22 is: 775,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,879.63 : 1,197,395.19 = 562,190.22 : x
  2. Step 2: Convert to fraction form
    867,879.63/1,197,395.19 = 562,190.22/x
  3. Step 3: Cross multiply
    867,879.63x = 1,197,395.19 × 562,190.22
  4. Step 4: Simplify right side
    867,879.63x = 673,163,865,293.04
  5. Step 5: Solve for x
    x = 673,163,865,293.04/867,879.63
  6. Step 6: Final answer
    x = 775,641.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.