Home / 1,067,907.60-1,601,861.40-648,003.60

Finding the Fourth Proportional to 1,067,907.60, 1,601,861.40 and 648,003.60

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Solution

The fourth proportional to 1,067,907.60, 1,601,861.40 and 648,003.60 is: 972,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,907.60 : 1,601,861.40 = 648,003.60 : x
  2. Step 2: Convert to fraction form
    1,067,907.60/1,601,861.40 = 648,003.60/x
  3. Step 3: Cross multiply
    1,067,907.60x = 1,601,861.40 × 648,003.60
  4. Step 4: Simplify right side
    1,067,907.60x = 1,038,011,953,901.04
  5. Step 5: Solve for x
    x = 1,038,011,953,901.04/1,067,907.60
  6. Step 6: Final answer
    x = 972,005.40

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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.