Home / 755,857.21-1,043,082.88-416,325.46

Finding the Fourth Proportional to 755,857.21, 1,043,082.88 and 416,325.46

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Solution

The fourth proportional to 755,857.21, 1,043,082.88 and 416,325.46 is: 574,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,857.21 : 1,043,082.88 = 416,325.46 : x
  2. Step 2: Convert to fraction form
    755,857.21/1,043,082.88 = 416,325.46/x
  3. Step 3: Cross multiply
    755,857.21x = 1,043,082.88 × 416,325.46
  4. Step 4: Simplify right side
    755,857.21x = 434,261,959,834.13
  5. Step 5: Solve for x
    x = 434,261,959,834.13/755,857.21
  6. Step 6: Final answer
    x = 574,529.10

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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.