Home / 469,946.06-648,526.07-255,086.09

Finding the Fourth Proportional to 469,946.06, 648,526.07 and 255,086.09

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Solution

The fourth proportional to 469,946.06, 648,526.07 and 255,086.09 is: 352,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,946.06 : 648,526.07 = 255,086.09 : x
  2. Step 2: Convert to fraction form
    469,946.06/648,526.07 = 255,086.09/x
  3. Step 3: Cross multiply
    469,946.06x = 648,526.07 × 255,086.09
  4. Step 4: Simplify right side
    469,946.06x = 165,429,978,183.94
  5. Step 5: Solve for x
    x = 165,429,978,183.94/469,946.06
  6. Step 6: Final answer
    x = 352,019.08

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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.