Home / 766,624.20-1,057,963.32-427,114.32

Finding the Fourth Proportional to 766,624.20, 1,057,963.32 and 427,114.32

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Solution

The fourth proportional to 766,624.20, 1,057,963.32 and 427,114.32 is: 589,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,624.20 : 1,057,963.32 = 427,114.32 : x
  2. Step 2: Convert to fraction form
    766,624.20/1,057,963.32 = 427,114.32/x
  3. Step 3: Cross multiply
    766,624.20x = 1,057,963.32 × 427,114.32
  4. Step 4: Simplify right side
    766,624.20x = 451,871,284,006.74
  5. Step 5: Solve for x
    x = 451,871,284,006.74/766,624.20
  6. Step 6: Final answer
    x = 589,429.98

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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.