Home / 927,814.16-1,280,361.80-545,865.52

Finding the Fourth Proportional to 927,814.16, 1,280,361.80 and 545,865.52

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Solution

The fourth proportional to 927,814.16, 1,280,361.80 and 545,865.52 is: 753,281.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,814.16 : 1,280,361.80 = 545,865.52 : x
  2. Step 2: Convert to fraction form
    927,814.16/1,280,361.80 = 545,865.52/x
  3. Step 3: Cross multiply
    927,814.16x = 1,280,361.80 × 545,865.52
  4. Step 4: Simplify right side
    927,814.16x = 698,905,359,745.14
  5. Step 5: Solve for x
    x = 698,905,359,745.14/927,814.16
  6. Step 6: Final answer
    x = 753,281.63

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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.