Home / 1,007,847.45-1,390,831.38-548,960.60

Finding the Fourth Proportional to 1,007,847.45, 1,390,831.38 and 548,960.60

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Solution

The fourth proportional to 1,007,847.45, 1,390,831.38 and 548,960.60 is: 757,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,847.45 : 1,390,831.38 = 548,960.60 : x
  2. Step 2: Convert to fraction form
    1,007,847.45/1,390,831.38 = 548,960.60/x
  3. Step 3: Cross multiply
    1,007,847.45x = 1,390,831.38 × 548,960.60
  4. Step 4: Simplify right side
    1,007,847.45x = 763,511,621,909.47
  5. Step 5: Solve for x
    x = 763,511,621,909.47/1,007,847.45
  6. Step 6: Final answer
    x = 757,566.66

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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.