Home / 504,905.16-696,749.94-313,874.76

Finding the Fourth Proportional to 504,905.16, 696,749.94 and 313,874.76

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Solution

The fourth proportional to 504,905.16, 696,749.94 and 313,874.76 is: 433,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,905.16 : 696,749.94 = 313,874.76 : x
  2. Step 2: Convert to fraction form
    504,905.16/696,749.94 = 313,874.76/x
  3. Step 3: Cross multiply
    504,905.16x = 696,749.94 × 313,874.76
  4. Step 4: Simplify right side
    504,905.16x = 218,692,220,197.51
  5. Step 5: Solve for x
    x = 218,692,220,197.51/504,905.16
  6. Step 6: Final answer
    x = 433,135.25

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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.