Home / 1,407,988.06-2,111,768.25-461,337.82

Finding the Fourth Proportional to 1,407,988.06, 2,111,768.25 and 461,337.82

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Solution

The fourth proportional to 1,407,988.06, 2,111,768.25 and 461,337.82 is: 691,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,988.06 : 2,111,768.25 = 461,337.82 : x
  2. Step 2: Convert to fraction form
    1,407,988.06/2,111,768.25 = 461,337.82/x
  3. Step 3: Cross multiply
    1,407,988.06x = 2,111,768.25 × 461,337.82
  4. Step 4: Simplify right side
    1,407,988.06x = 974,238,560,800.22
  5. Step 5: Solve for x
    x = 974,238,560,800.22/1,407,988.06
  6. Step 6: Final answer
    x = 691,936.66

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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.