Home / 784,399.14-1,082,326.86-526,650.26

Finding the Fourth Proportional to 784,399.14, 1,082,326.86 and 526,650.26

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Solution

The fourth proportional to 784,399.14, 1,082,326.86 and 526,650.26 is: 726,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,399.14 : 1,082,326.86 = 526,650.26 : x
  2. Step 2: Convert to fraction form
    784,399.14/1,082,326.86 = 526,650.26/x
  3. Step 3: Cross multiply
    784,399.14x = 1,082,326.86 × 526,650.26
  4. Step 4: Simplify right side
    784,399.14x = 570,007,716,812.35
  5. Step 5: Solve for x
    x = 570,007,716,812.35/784,399.14
  6. Step 6: Final answer
    x = 726,680.70

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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.