Home / 1,075,944.15-1,484,357.22-640,274.22

Finding the Fourth Proportional to 1,075,944.15, 1,484,357.22 and 640,274.22

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Solution

The fourth proportional to 1,075,944.15, 1,484,357.22 and 640,274.22 is: 883,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,944.15 : 1,484,357.22 = 640,274.22 : x
  2. Step 2: Convert to fraction form
    1,075,944.15/1,484,357.22 = 640,274.22/x
  3. Step 3: Cross multiply
    1,075,944.15x = 1,484,357.22 × 640,274.22
  4. Step 4: Simplify right side
    1,075,944.15x = 950,395,661,236.87
  5. Step 5: Solve for x
    x = 950,395,661,236.87/1,075,944.15
  6. Step 6: Final answer
    x = 883,313.19

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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.