Home / 370,977.20-556,638.60-193,684.40

Finding the Fourth Proportional to 370,977.20, 556,638.60 and 193,684.40

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Solution

The fourth proportional to 370,977.20, 556,638.60 and 193,684.40 is: 290,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,977.20 : 556,638.60 = 193,684.40 : x
  2. Step 2: Convert to fraction form
    370,977.20/556,638.60 = 193,684.40/x
  3. Step 3: Cross multiply
    370,977.20x = 556,638.60 × 193,684.40
  4. Step 4: Simplify right side
    370,977.20x = 107,812,213,257.84
  5. Step 5: Solve for x
    x = 107,812,213,257.84/370,977.20
  6. Step 6: Final answer
    x = 290,616.82

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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.