Home / 495,738.78-684,118.26-269,384.28

Finding the Fourth Proportional to 495,738.78, 684,118.26 and 269,384.28

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Solution

The fourth proportional to 495,738.78, 684,118.26 and 269,384.28 is: 371,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,738.78 : 684,118.26 = 269,384.28 : x
  2. Step 2: Convert to fraction form
    495,738.78/684,118.26 = 269,384.28/x
  3. Step 3: Cross multiply
    495,738.78x = 684,118.26 × 269,384.28
  4. Step 4: Simplify right side
    495,738.78x = 184,290,704,904.95
  5. Step 5: Solve for x
    x = 184,290,704,904.95/495,738.78
  6. Step 6: Final answer
    x = 371,749.62

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1.5x scale

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.