Home / 495,055.68-742,464.58-228,560.28

Finding the Fourth Proportional to 495,055.68, 742,464.58 and 228,560.28

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Solution

The fourth proportional to 495,055.68, 742,464.58 and 228,560.28 is: 342,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,055.68 : 742,464.58 = 228,560.28 : x
  2. Step 2: Convert to fraction form
    495,055.68/742,464.58 = 228,560.28/x
  3. Step 3: Cross multiply
    495,055.68x = 742,464.58 × 228,560.28
  4. Step 4: Simplify right side
    495,055.68x = 169,697,912,294.88
  5. Step 5: Solve for x
    x = 169,697,912,294.88/495,055.68
  6. Step 6: Final answer
    x = 342,785.51

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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.