Home / 1,247,580.45-1,871,094.75-348,780.56

Finding the Fourth Proportional to 1,247,580.45, 1,871,094.75 and 348,780.56

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Solution

The fourth proportional to 1,247,580.45, 1,871,094.75 and 348,780.56 is: 523,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,580.45 : 1,871,094.75 = 348,780.56 : x
  2. Step 2: Convert to fraction form
    1,247,580.45/1,871,094.75 = 348,780.56/x
  3. Step 3: Cross multiply
    1,247,580.45x = 1,871,094.75 × 348,780.56
  4. Step 4: Simplify right side
    1,247,580.45x = 652,601,465,362.59
  5. Step 5: Solve for x
    x = 652,601,465,362.59/1,247,580.45
  6. Step 6: Final answer
    x = 523,093.69

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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.