Home / 1,007,766.75-1,390,719.54-548,883.12

Finding the Fourth Proportional to 1,007,766.75, 1,390,719.54 and 548,883.12

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Solution

The fourth proportional to 1,007,766.75, 1,390,719.54 and 548,883.12 is: 757,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,766.75 : 1,390,719.54 = 548,883.12 : x
  2. Step 2: Convert to fraction form
    1,007,766.75/1,390,719.54 = 548,883.12/x
  3. Step 3: Cross multiply
    1,007,766.75x = 1,390,719.54 × 548,883.12
  4. Step 4: Simplify right side
    1,007,766.75x = 763,342,483,636.96
  5. Step 5: Solve for x
    x = 763,342,483,636.96/1,007,766.75
  6. Step 6: Final answer
    x = 757,459.48

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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.