Home / 783,173.51-1,080,770.75-439,065.46

Finding the Fourth Proportional to 783,173.51, 1,080,770.75 and 439,065.46

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Solution

The fourth proportional to 783,173.51, 1,080,770.75 and 439,065.46 is: 605,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,173.51 : 1,080,770.75 = 439,065.46 : x
  2. Step 2: Convert to fraction form
    783,173.51/1,080,770.75 = 439,065.46/x
  3. Step 3: Cross multiply
    783,173.51x = 1,080,770.75 × 439,065.46
  4. Step 4: Simplify right side
    783,173.51x = 474,529,107,305.43
  5. Step 5: Solve for x
    x = 474,529,107,305.43/783,173.51
  6. Step 6: Final answer
    x = 605,905.46

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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.