Home / 783,606.22-1,081,388.02-456,910.34

Finding the Fourth Proportional to 783,606.22, 1,081,388.02 and 456,910.34

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Solution

The fourth proportional to 783,606.22, 1,081,388.02 and 456,910.34 is: 630,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,606.22 : 1,081,388.02 = 456,910.34 : x
  2. Step 2: Convert to fraction form
    783,606.22/1,081,388.02 = 456,910.34/x
  3. Step 3: Cross multiply
    783,606.22x = 1,081,388.02 × 456,910.34
  4. Step 4: Simplify right side
    783,606.22x = 494,097,362,197.62
  5. Step 5: Solve for x
    x = 494,097,362,197.62/783,606.22
  6. Step 6: Final answer
    x = 630,542.93

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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.