Home / 495,787.40-684,171.78-269,433.32

Finding the Fourth Proportional to 495,787.40, 684,171.78 and 269,433.32

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Solution

The fourth proportional to 495,787.40, 684,171.78 and 269,433.32 is: 371,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,787.40 : 684,171.78 = 269,433.32 : x
  2. Step 2: Convert to fraction form
    495,787.40/684,171.78 = 269,433.32/x
  3. Step 3: Cross multiply
    495,787.40x = 684,171.78 × 269,433.32
  4. Step 4: Simplify right side
    495,787.40x = 184,338,674,135.71
  5. Step 5: Solve for x
    x = 184,338,674,135.71/495,787.40
  6. Step 6: Final answer
    x = 371,809.92

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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.