Home / 806,987.82-1,113,646.52-462,837.04

Finding the Fourth Proportional to 806,987.82, 1,113,646.52 and 462,837.04

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Solution

The fourth proportional to 806,987.82, 1,113,646.52 and 462,837.04 is: 638,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,987.82 : 1,113,646.52 = 462,837.04 : x
  2. Step 2: Convert to fraction form
    806,987.82/1,113,646.52 = 462,837.04/x
  3. Step 3: Cross multiply
    806,987.82x = 1,113,646.52 × 462,837.04
  4. Step 4: Simplify right side
    806,987.82x = 515,436,858,923.10
  5. Step 5: Solve for x
    x = 515,436,858,923.10/806,987.82
  6. Step 6: Final answer
    x = 638,717.02

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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.