Home / 964,896.80-1,447,345.20-433,455.80

Finding the Fourth Proportional to 964,896.80, 1,447,345.20 and 433,455.80

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Solution

The fourth proportional to 964,896.80, 1,447,345.20 and 433,455.80 is: 650,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,896.80 : 1,447,345.20 = 433,455.80 : x
  2. Step 2: Convert to fraction form
    964,896.80/1,447,345.20 = 433,455.80/x
  3. Step 3: Cross multiply
    964,896.80x = 1,447,345.20 × 433,455.80
  4. Step 4: Simplify right side
    964,896.80x = 627,360,171,542.16
  5. Step 5: Solve for x
    x = 627,360,171,542.16/964,896.80
  6. Step 6: Final answer
    x = 650,183.70

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Double scale
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Similar ratio
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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.