Home / 774,589.38-1,069,033.58-435,057.62

Finding the Fourth Proportional to 774,589.38, 1,069,033.58 and 435,057.62

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Solution

The fourth proportional to 774,589.38, 1,069,033.58 and 435,057.62 is: 600,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,589.38 : 1,069,033.58 = 435,057.62 : x
  2. Step 2: Convert to fraction form
    774,589.38/1,069,033.58 = 435,057.62/x
  3. Step 3: Cross multiply
    774,589.38x = 1,069,033.58 × 435,057.62
  4. Step 4: Simplify right side
    774,589.38x = 465,091,205,014.88
  5. Step 5: Solve for x
    x = 465,091,205,014.88/774,589.38
  6. Step 6: Final answer
    x = 600,435.81

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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.