Home / 469,946.55-648,529.53-255,086.58

Finding the Fourth Proportional to 469,946.55, 648,529.53 and 255,086.58

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Solution

The fourth proportional to 469,946.55, 648,529.53 and 255,086.58 is: 352,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,946.55 : 648,529.53 = 255,086.58 : x
  2. Step 2: Convert to fraction form
    469,946.55/648,529.53 = 255,086.58/x
  3. Step 3: Cross multiply
    469,946.55x = 648,529.53 × 255,086.58
  4. Step 4: Simplify right side
    469,946.55x = 165,431,179,836.71
  5. Step 5: Solve for x
    x = 165,431,179,836.71/469,946.55
  6. Step 6: Final answer
    x = 352,021.27

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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.