Home / 916,158.54-1,373,573.37-615,894.30

Finding the Fourth Proportional to 916,158.54, 1,373,573.37 and 615,894.30

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Solution

The fourth proportional to 916,158.54, 1,373,573.37 and 615,894.30 is: 923,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,158.54 : 1,373,573.37 = 615,894.30 : x
  2. Step 2: Convert to fraction form
    916,158.54/1,373,573.37 = 615,894.30/x
  3. Step 3: Cross multiply
    916,158.54x = 1,373,573.37 × 615,894.30
  4. Step 4: Simplify right side
    916,158.54x = 845,976,009,214.79
  5. Step 5: Solve for x
    x = 845,976,009,214.79/916,158.54
  6. Step 6: Final answer
    x = 923,394.78

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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.