Home / 806,568.84-1,113,090.09-439,070.45

Finding the Fourth Proportional to 806,568.84, 1,113,090.09 and 439,070.45

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Solution

The fourth proportional to 806,568.84, 1,113,090.09 and 439,070.45 is: 605,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,568.84 : 1,113,090.09 = 439,070.45 : x
  2. Step 2: Convert to fraction form
    806,568.84/1,113,090.09 = 439,070.45/x
  3. Step 3: Cross multiply
    806,568.84x = 1,113,090.09 × 439,070.45
  4. Step 4: Simplify right side
    806,568.84x = 488,724,964,477.75
  5. Step 5: Solve for x
    x = 488,724,964,477.75/806,568.84
  6. Step 6: Final answer
    x = 605,930.88

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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.