Home / 805,514.73-1,111,617.23-461,382.08

Finding the Fourth Proportional to 805,514.73, 1,111,617.23 and 461,382.08

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Solution

The fourth proportional to 805,514.73, 1,111,617.23 and 461,382.08 is: 636,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,514.73 : 1,111,617.23 = 461,382.08 : x
  2. Step 2: Convert to fraction form
    805,514.73/1,111,617.23 = 461,382.08/x
  3. Step 3: Cross multiply
    805,514.73x = 1,111,617.23 × 461,382.08
  4. Step 4: Simplify right side
    805,514.73x = 512,880,261,876.24
  5. Step 5: Solve for x
    x = 512,880,261,876.24/805,514.73
  6. Step 6: Final answer
    x = 636,711.21

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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.