Home / 495,565.70-683,880.66-269,211.20

Finding the Fourth Proportional to 495,565.70, 683,880.66 and 269,211.20

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Solution

The fourth proportional to 495,565.70, 683,880.66 and 269,211.20 is: 371,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,565.70 : 683,880.66 = 269,211.20 : x
  2. Step 2: Convert to fraction form
    495,565.70/683,880.66 = 269,211.20/x
  3. Step 3: Cross multiply
    495,565.70x = 683,880.66 × 269,211.20
  4. Step 4: Simplify right side
    495,565.70x = 184,108,329,715.99
  5. Step 5: Solve for x
    x = 184,108,329,715.99/495,565.70
  6. Step 6: Final answer
    x = 371,511.45

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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.