Home / 809,040.15-1,116,004.05-518,548.23

Finding the Fourth Proportional to 809,040.15, 1,116,004.05 and 518,548.23

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Solution

The fourth proportional to 809,040.15, 1,116,004.05 and 518,548.23 is: 715,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,040.15 : 1,116,004.05 = 518,548.23 : x
  2. Step 2: Convert to fraction form
    809,040.15/1,116,004.05 = 518,548.23/x
  3. Step 3: Cross multiply
    809,040.15x = 1,116,004.05 × 518,548.23
  4. Step 4: Simplify right side
    809,040.15x = 578,701,924,800.33
  5. Step 5: Solve for x
    x = 578,701,924,800.33/809,040.15
  6. Step 6: Final answer
    x = 715,294.44

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Double scale
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1.5x scale

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.