Home / 867,223.92-1,299,152.70-639,105.24

Finding the Fourth Proportional to 867,223.92, 1,299,152.70 and 639,105.24

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Solution

The fourth proportional to 867,223.92, 1,299,152.70 and 639,105.24 is: 957,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,223.92 : 1,299,152.70 = 639,105.24 : x
  2. Step 2: Convert to fraction form
    867,223.92/1,299,152.70 = 639,105.24/x
  3. Step 3: Cross multiply
    867,223.92x = 1,299,152.70 × 639,105.24
  4. Step 4: Simplify right side
    867,223.92x = 830,295,298,130.15
  5. Step 5: Solve for x
    x = 830,295,298,130.15/867,223.92
  6. Step 6: Final answer
    x = 957,417.43

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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.