Home / 1,583,683.64-2,185,494.63-858,542.78

Finding the Fourth Proportional to 1,583,683.64, 2,185,494.63 and 858,542.78

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Solution

The fourth proportional to 1,583,683.64, 2,185,494.63 and 858,542.78 is: 1,184,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,683.64 : 2,185,494.63 = 858,542.78 : x
  2. Step 2: Convert to fraction form
    1,583,683.64/2,185,494.63 = 858,542.78/x
  3. Step 3: Cross multiply
    1,583,683.64x = 2,185,494.63 × 858,542.78
  4. Step 4: Simplify right side
    1,583,683.64x = 1,876,340,635,315.27
  5. Step 5: Solve for x
    x = 1,876,340,635,315.27/1,583,683.64
  6. Step 6: Final answer
    x = 1,184,795.11

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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.