Home / 1,776,356.60-2,663,222.70-764,650.40

Finding the Fourth Proportional to 1,776,356.60, 2,663,222.70 and 764,650.40

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Solution

The fourth proportional to 1,776,356.60, 2,663,222.70 and 764,650.40 is: 1,146,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,356.60 : 2,663,222.70 = 764,650.40 : x
  2. Step 2: Convert to fraction form
    1,776,356.60/2,663,222.70 = 764,650.40/x
  3. Step 3: Cross multiply
    1,776,356.60x = 2,663,222.70 × 764,650.40
  4. Step 4: Simplify right side
    1,776,356.60x = 2,036,434,302,844.08
  5. Step 5: Solve for x
    x = 2,036,434,302,844.08/1,776,356.60
  6. Step 6: Final answer
    x = 1,146,410.75

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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.