Home / 469,981.80-648,575.70-255,122.01

Finding the Fourth Proportional to 469,981.80, 648,575.70 and 255,122.01

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Solution

The fourth proportional to 469,981.80, 648,575.70 and 255,122.01 is: 352,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,981.80 : 648,575.70 = 255,122.01 : x
  2. Step 2: Convert to fraction form
    469,981.80/648,575.70 = 255,122.01/x
  3. Step 3: Cross multiply
    469,981.80x = 648,575.70 × 255,122.01
  4. Step 4: Simplify right side
    469,981.80x = 165,465,936,221.16
  5. Step 5: Solve for x
    x = 165,465,936,221.16/469,981.80
  6. Step 6: Final answer
    x = 352,068.82

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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.