Home / 1,071,922.64-1,605,782.28-621,697.64

Finding the Fourth Proportional to 1,071,922.64, 1,605,782.28 and 621,697.64

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Solution

The fourth proportional to 1,071,922.64, 1,605,782.28 and 621,697.64 is: 931,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,922.64 : 1,605,782.28 = 621,697.64 : x
  2. Step 2: Convert to fraction form
    1,071,922.64/1,605,782.28 = 621,697.64/x
  3. Step 3: Cross multiply
    1,071,922.64x = 1,605,782.28 × 621,697.64
  4. Step 4: Simplify right side
    1,071,922.64x = 998,311,053,829.82
  5. Step 5: Solve for x
    x = 998,311,053,829.82/1,071,922.64
  6. Step 6: Final answer
    x = 931,327.52

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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.