Home / 1,783,621.32-2,675,424.63-646,117.17

Finding the Fourth Proportional to 1,783,621.32, 2,675,424.63 and 646,117.17

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Solution

The fourth proportional to 1,783,621.32, 2,675,424.63 and 646,117.17 is: 969,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,621.32 : 2,675,424.63 = 646,117.17 : x
  2. Step 2: Convert to fraction form
    1,783,621.32/2,675,424.63 = 646,117.17/x
  3. Step 3: Cross multiply
    1,783,621.32x = 2,675,424.63 × 646,117.17
  4. Step 4: Simplify right side
    1,783,621.32x = 1,728,637,790,483.90
  5. Step 5: Solve for x
    x = 1,728,637,790,483.90/1,783,621.32
  6. Step 6: Final answer
    x = 969,173.09

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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.