Home / 819,563.88-1,131,012.09-452,083.19

Finding the Fourth Proportional to 819,563.88, 1,131,012.09 and 452,083.19

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Solution

The fourth proportional to 819,563.88, 1,131,012.09 and 452,083.19 is: 623,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,563.88 : 1,131,012.09 = 452,083.19 : x
  2. Step 2: Convert to fraction form
    819,563.88/1,131,012.09 = 452,083.19/x
  3. Step 3: Cross multiply
    819,563.88x = 1,131,012.09 × 452,083.19
  4. Step 4: Simplify right side
    819,563.88x = 511,311,547,920.71
  5. Step 5: Solve for x
    x = 511,311,547,920.71/819,563.88
  6. Step 6: Final answer
    x = 623,882.48

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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.