Home / 964,784.70-1,447,384.95-325,152.54

Finding the Fourth Proportional to 964,784.70, 1,447,384.95 and 325,152.54

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Solution

The fourth proportional to 964,784.70, 1,447,384.95 and 325,152.54 is: 487,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,784.70 : 1,447,384.95 = 325,152.54 : x
  2. Step 2: Convert to fraction form
    964,784.70/1,447,384.95 = 325,152.54/x
  3. Step 3: Cross multiply
    964,784.70x = 1,447,384.95 × 325,152.54
  4. Step 4: Simplify right side
    964,784.70x = 470,620,892,850.27
  5. Step 5: Solve for x
    x = 470,620,892,850.27/964,784.70
  6. Step 6: Final answer
    x = 487,798.88

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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.