Home / 703,039.68-1,054,228.08-253,701.84

Finding the Fourth Proportional to 703,039.68, 1,054,228.08 and 253,701.84

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Solution

The fourth proportional to 703,039.68, 1,054,228.08 and 253,701.84 is: 380,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,039.68 : 1,054,228.08 = 253,701.84 : x
  2. Step 2: Convert to fraction form
    703,039.68/1,054,228.08 = 253,701.84/x
  3. Step 3: Cross multiply
    703,039.68x = 1,054,228.08 × 253,701.84
  4. Step 4: Simplify right side
    703,039.68x = 267,459,603,675.67
  5. Step 5: Solve for x
    x = 267,459,603,675.67/703,039.68
  6. Step 6: Final answer
    x = 380,433.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.