Home / 943,629.21-1,302,245.18-535,769.05

Finding the Fourth Proportional to 943,629.21, 1,302,245.18 and 535,769.05

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Solution

The fourth proportional to 943,629.21, 1,302,245.18 and 535,769.05 is: 739,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,629.21 : 1,302,245.18 = 535,769.05 : x
  2. Step 2: Convert to fraction form
    943,629.21/1,302,245.18 = 535,769.05/x
  3. Step 3: Cross multiply
    943,629.21x = 1,302,245.18 × 535,769.05
  4. Step 4: Simplify right side
    943,629.21x = 697,702,657,021.22
  5. Step 5: Solve for x
    x = 697,702,657,021.22/943,629.21
  6. Step 6: Final answer
    x = 739,382.22

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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.