Home / 505,210.08-697,145.76-323,601.60

Finding the Fourth Proportional to 505,210.08, 697,145.76 and 323,601.60

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Solution

The fourth proportional to 505,210.08, 697,145.76 and 323,601.60 is: 446,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,210.08 : 697,145.76 = 323,601.60 : x
  2. Step 2: Convert to fraction form
    505,210.08/697,145.76 = 323,601.60/x
  3. Step 3: Cross multiply
    505,210.08x = 697,145.76 × 323,601.60
  4. Step 4: Simplify right side
    505,210.08x = 225,597,483,369.22
  5. Step 5: Solve for x
    x = 225,597,483,369.22/505,210.08
  6. Step 6: Final answer
    x = 446,541.93

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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.