Home / 790,224.44-1,090,509.83-427,648.40

Finding the Fourth Proportional to 790,224.44, 1,090,509.83 and 427,648.40

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Solution

The fourth proportional to 790,224.44, 1,090,509.83 and 427,648.40 is: 590,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,224.44 : 1,090,509.83 = 427,648.40 : x
  2. Step 2: Convert to fraction form
    790,224.44/1,090,509.83 = 427,648.40/x
  3. Step 3: Cross multiply
    790,224.44x = 1,090,509.83 × 427,648.40
  4. Step 4: Simplify right side
    790,224.44x = 466,354,776,392.98
  5. Step 5: Solve for x
    x = 466,354,776,392.98/790,224.44
  6. Step 6: Final answer
    x = 590,154.84

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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.