Home / 495,711.11-684,085.66-269,356.61

Finding the Fourth Proportional to 495,711.11, 684,085.66 and 269,356.61

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Solution

The fourth proportional to 495,711.11, 684,085.66 and 269,356.61 is: 371,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,711.11 : 684,085.66 = 269,356.61 : x
  2. Step 2: Convert to fraction form
    495,711.11/684,085.66 = 269,356.61/x
  3. Step 3: Cross multiply
    495,711.11x = 684,085.66 × 269,356.61
  4. Step 4: Simplify right side
    495,711.11x = 184,262,994,327.21
  5. Step 5: Solve for x
    x = 184,262,994,327.21/495,711.11
  6. Step 6: Final answer
    x = 371,714.47

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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.