Home / 698,787.82-964,496.19-651,509.74

Finding the Fourth Proportional to 698,787.82, 964,496.19 and 651,509.74

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Solution

The fourth proportional to 698,787.82, 964,496.19 and 651,509.74 is: 899,241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,787.82 : 964,496.19 = 651,509.74 : x
  2. Step 2: Convert to fraction form
    698,787.82/964,496.19 = 651,509.74/x
  3. Step 3: Cross multiply
    698,787.82x = 964,496.19 × 651,509.74
  4. Step 4: Simplify right side
    698,787.82x = 628,378,661,977.89
  5. Step 5: Solve for x
    x = 628,378,661,977.89/698,787.82
  6. Step 6: Final answer
    x = 899,241.01

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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.