Home / 907,004.70-1,360,944.45-640,190.70

Finding the Fourth Proportional to 907,004.70, 1,360,944.45 and 640,190.70

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Solution

The fourth proportional to 907,004.70, 1,360,944.45 and 640,190.70 is: 960,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,004.70 : 1,360,944.45 = 640,190.70 : x
  2. Step 2: Convert to fraction form
    907,004.70/1,360,944.45 = 640,190.70/x
  3. Step 3: Cross multiply
    907,004.70x = 1,360,944.45 × 640,190.70
  4. Step 4: Simplify right side
    907,004.70x = 871,263,980,106.62
  5. Step 5: Solve for x
    x = 871,263,980,106.62/907,004.70
  6. Step 6: Final answer
    x = 960,594.78

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1.5x scale

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.