Home / 495,110.58-683,268.87-280,246.03

Finding the Fourth Proportional to 495,110.58, 683,268.87 and 280,246.03

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Solution

The fourth proportional to 495,110.58, 683,268.87 and 280,246.03 is: 386,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,110.58 : 683,268.87 = 280,246.03 : x
  2. Step 2: Convert to fraction form
    495,110.58/683,268.87 = 280,246.03/x
  3. Step 3: Cross multiply
    495,110.58x = 683,268.87 × 280,246.03
  4. Step 4: Simplify right side
    495,110.58x = 191,483,386,006.45
  5. Step 5: Solve for x
    x = 191,483,386,006.45/495,110.58
  6. Step 6: Final answer
    x = 386,748.73

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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.