Home / 1,189,350.59-1,783,626.06-431,033.30

Finding the Fourth Proportional to 1,189,350.59, 1,783,626.06 and 431,033.30

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Solution

The fourth proportional to 1,189,350.59, 1,783,626.06 and 431,033.30 is: 646,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,350.59 : 1,783,626.06 = 431,033.30 : x
  2. Step 2: Convert to fraction form
    1,189,350.59/1,783,626.06 = 431,033.30/x
  3. Step 3: Cross multiply
    1,189,350.59x = 1,783,626.06 × 431,033.30
  4. Step 4: Simplify right side
    1,189,350.59x = 768,802,223,570.08
  5. Step 5: Solve for x
    x = 768,802,223,570.08/1,189,350.59
  6. Step 6: Final answer
    x = 646,405.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.