Home / 1,008,480.65-1,512,717.84-316,100.34

Finding the Fourth Proportional to 1,008,480.65, 1,512,717.84 and 316,100.34

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Solution

The fourth proportional to 1,008,480.65, 1,512,717.84 and 316,100.34 is: 474,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,480.65 : 1,512,717.84 = 316,100.34 : x
  2. Step 2: Convert to fraction form
    1,008,480.65/1,512,717.84 = 316,100.34/x
  3. Step 3: Cross multiply
    1,008,480.65x = 1,512,717.84 × 316,100.34
  4. Step 4: Simplify right side
    1,008,480.65x = 478,170,623,548.07
  5. Step 5: Solve for x
    x = 478,170,623,548.07/1,008,480.65
  6. Step 6: Final answer
    x = 474,149.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.