Home / 938,840.63-1,295,600.37-509,120.63

Finding the Fourth Proportional to 938,840.63, 1,295,600.37 and 509,120.63

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Solution

The fourth proportional to 938,840.63, 1,295,600.37 and 509,120.63 is: 702,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,840.63 : 1,295,600.37 = 509,120.63 : x
  2. Step 2: Convert to fraction form
    938,840.63/1,295,600.37 = 509,120.63/x
  3. Step 3: Cross multiply
    938,840.63x = 1,295,600.37 × 509,120.63
  4. Step 4: Simplify right side
    938,840.63x = 659,616,876,602.63
  5. Step 5: Solve for x
    x = 659,616,876,602.63/938,840.63
  6. Step 6: Final answer
    x = 702,586.63

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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.