Home / 826,775.39-1,239,000.04-657,544.64

Finding the Fourth Proportional to 826,775.39, 1,239,000.04 and 657,544.64

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Solution

The fourth proportional to 826,775.39, 1,239,000.04 and 657,544.64 is: 985,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,775.39 : 1,239,000.04 = 657,544.64 : x
  2. Step 2: Convert to fraction form
    826,775.39/1,239,000.04 = 657,544.64/x
  3. Step 3: Cross multiply
    826,775.39x = 1,239,000.04 × 657,544.64
  4. Step 4: Simplify right side
    826,775.39x = 814,697,831,974.06
  5. Step 5: Solve for x
    x = 814,697,831,974.06/826,775.39
  6. Step 6: Final answer
    x = 985,391.98

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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.