Home / 826,146.60-1,241,844.30-778,907.40

Finding the Fourth Proportional to 826,146.60, 1,241,844.30 and 778,907.40

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Solution

The fourth proportional to 826,146.60, 1,241,844.30 and 778,907.40 is: 1,170,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,146.60 : 1,241,844.30 = 778,907.40 : x
  2. Step 2: Convert to fraction form
    826,146.60/1,241,844.30 = 778,907.40/x
  3. Step 3: Cross multiply
    826,146.60x = 1,241,844.30 × 778,907.40
  4. Step 4: Simplify right side
    826,146.60x = 967,281,714,917.82
  5. Step 5: Solve for x
    x = 967,281,714,917.82/826,146.60
  6. Step 6: Final answer
    x = 1,170,835.44

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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.