Home / 805,832.75-1,111,969.52-461,602.60

Finding the Fourth Proportional to 805,832.75, 1,111,969.52 and 461,602.60

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Solution

The fourth proportional to 805,832.75, 1,111,969.52 and 461,602.60 is: 636,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,832.75 : 1,111,969.52 = 461,602.60 : x
  2. Step 2: Convert to fraction form
    805,832.75/1,111,969.52 = 461,602.60/x
  3. Step 3: Cross multiply
    805,832.75x = 1,111,969.52 × 461,602.60
  4. Step 4: Simplify right side
    805,832.75x = 513,288,018,195.83
  5. Step 5: Solve for x
    x = 513,288,018,195.83/805,832.75
  6. Step 6: Final answer
    x = 636,965.94

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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.