Home / 931,684.32-1,285,716.63-523,787.98

Finding the Fourth Proportional to 931,684.32, 1,285,716.63 and 523,787.98

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Solution

The fourth proportional to 931,684.32, 1,285,716.63 and 523,787.98 is: 722,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,684.32 : 1,285,716.63 = 523,787.98 : x
  2. Step 2: Convert to fraction form
    931,684.32/1,285,716.63 = 523,787.98/x
  3. Step 3: Cross multiply
    931,684.32x = 1,285,716.63 × 523,787.98
  4. Step 4: Simplify right side
    931,684.32x = 673,442,908,890.89
  5. Step 5: Solve for x
    x = 673,442,908,890.89/931,684.32
  6. Step 6: Final answer
    x = 722,823.06

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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.