Home / 1,228,776.06-1,843,993.92-430,064.22

Finding the Fourth Proportional to 1,228,776.06, 1,843,993.92 and 430,064.22

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Solution

The fourth proportional to 1,228,776.06, 1,843,993.92 and 430,064.22 is: 645,386.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,776.06 : 1,843,993.92 = 430,064.22 : x
  2. Step 2: Convert to fraction form
    1,228,776.06/1,843,993.92 = 430,064.22/x
  3. Step 3: Cross multiply
    1,228,776.06x = 1,843,993.92 × 430,064.22
  4. Step 4: Simplify right side
    1,228,776.06x = 793,035,806,889.54
  5. Step 5: Solve for x
    x = 793,035,806,889.54/1,228,776.06
  6. Step 6: Final answer
    x = 645,386.77

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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.