Home / 1,583,684.64-2,185,496.01-858,543.78

Finding the Fourth Proportional to 1,583,684.64, 2,185,496.01 and 858,543.78

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Solution

The fourth proportional to 1,583,684.64, 2,185,496.01 and 858,543.78 is: 1,184,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,684.64 : 2,185,496.01 = 858,543.78 : x
  2. Step 2: Convert to fraction form
    1,583,684.64/2,185,496.01 = 858,543.78/x
  3. Step 3: Cross multiply
    1,583,684.64x = 2,185,496.01 × 858,543.78
  4. Step 4: Simplify right side
    1,583,684.64x = 1,876,344,005,600.32
  5. Step 5: Solve for x
    x = 1,876,344,005,600.32/1,583,684.64
  6. Step 6: Final answer
    x = 1,184,796.49

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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.