Home / 784,400.14-1,082,328.24-526,651.26

Finding the Fourth Proportional to 784,400.14, 1,082,328.24 and 526,651.26

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Solution

The fourth proportional to 784,400.14, 1,082,328.24 and 526,651.26 is: 726,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,400.14 : 1,082,328.24 = 526,651.26 : x
  2. Step 2: Convert to fraction form
    784,400.14/1,082,328.24 = 526,651.26/x
  3. Step 3: Cross multiply
    784,400.14x = 1,082,328.24 × 526,651.26
  4. Step 4: Simplify right side
    784,400.14x = 570,009,531,329.58
  5. Step 5: Solve for x
    x = 570,009,531,329.58/784,400.14
  6. Step 6: Final answer
    x = 726,682.09

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Double scale
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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.