Home / 1,583,455.72-2,185,110.36-858,287.87

Finding the Fourth Proportional to 1,583,455.72, 2,185,110.36 and 858,287.87

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Solution

The fourth proportional to 1,583,455.72, 2,185,110.36 and 858,287.87 is: 1,184,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,455.72 : 2,185,110.36 = 858,287.87 : x
  2. Step 2: Convert to fraction form
    1,583,455.72/2,185,110.36 = 858,287.87/x
  3. Step 3: Cross multiply
    1,583,455.72x = 2,185,110.36 × 858,287.87
  4. Step 4: Simplify right side
    1,583,455.72x = 1,875,453,718,014.27
  5. Step 5: Solve for x
    x = 1,875,453,718,014.27/1,583,455.72
  6. Step 6: Final answer
    x = 1,184,405.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.