Home / 806,593.04-1,113,112.55-439,080.75

Finding the Fourth Proportional to 806,593.04, 1,113,112.55 and 439,080.75

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Solution

The fourth proportional to 806,593.04, 1,113,112.55 and 439,080.75 is: 605,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,593.04 : 1,113,112.55 = 439,080.75 : x
  2. Step 2: Convert to fraction form
    806,593.04/1,113,112.55 = 439,080.75/x
  3. Step 3: Cross multiply
    806,593.04x = 1,113,112.55 × 439,080.75
  4. Step 4: Simplify right side
    806,593.04x = 488,746,294,386.11
  5. Step 5: Solve for x
    x = 488,746,294,386.11/806,593.04
  6. Step 6: Final answer
    x = 605,939.14

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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.