Home / 683,864.80-1,025,797.20-651,205.60

Finding the Fourth Proportional to 683,864.80, 1,025,797.20 and 651,205.60

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Solution

The fourth proportional to 683,864.80, 1,025,797.20 and 651,205.60 is: 976,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,864.80 : 1,025,797.20 = 651,205.60 : x
  2. Step 2: Convert to fraction form
    683,864.80/1,025,797.20 = 651,205.60/x
  3. Step 3: Cross multiply
    683,864.80x = 1,025,797.20 × 651,205.60
  4. Step 4: Simplify right side
    683,864.80x = 668,004,881,104.32
  5. Step 5: Solve for x
    x = 668,004,881,104.32/683,864.80
  6. Step 6: Final answer
    x = 976,808.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.