Home / 771,596.53-1,065,082.71-628,107.46

Finding the Fourth Proportional to 771,596.53, 1,065,082.71 and 628,107.46

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Solution

The fourth proportional to 771,596.53, 1,065,082.71 and 628,107.46 is: 867,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,596.53 : 1,065,082.71 = 628,107.46 : x
  2. Step 2: Convert to fraction form
    771,596.53/1,065,082.71 = 628,107.46/x
  3. Step 3: Cross multiply
    771,596.53x = 1,065,082.71 × 628,107.46
  4. Step 4: Simplify right side
    771,596.53x = 668,986,395,668.02
  5. Step 5: Solve for x
    x = 668,986,395,668.02/771,596.53
  6. Step 6: Final answer
    x = 867,015.82

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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.