Home / 916,203.18-1,373,640.30-615,938.88

Finding the Fourth Proportional to 916,203.18, 1,373,640.30 and 615,938.88

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Solution

The fourth proportional to 916,203.18, 1,373,640.30 and 615,938.88 is: 923,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,203.18 : 1,373,640.30 = 615,938.88 : x
  2. Step 2: Convert to fraction form
    916,203.18/1,373,640.30 = 615,938.88/x
  3. Step 3: Cross multiply
    916,203.18x = 1,373,640.30 × 615,938.88
  4. Step 4: Simplify right side
    916,203.18x = 846,078,467,904.86
  5. Step 5: Solve for x
    x = 846,078,467,904.86/916,203.18
  6. Step 6: Final answer
    x = 923,461.61

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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.