Home / 1,434,359.31-2,151,772.49-423,583.50

Finding the Fourth Proportional to 1,434,359.31, 2,151,772.49 and 423,583.50

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Solution

The fourth proportional to 1,434,359.31, 2,151,772.49 and 423,583.50 is: 635,444.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,359.31 : 2,151,772.49 = 423,583.50 : x
  2. Step 2: Convert to fraction form
    1,434,359.31/2,151,772.49 = 423,583.50/x
  3. Step 3: Cross multiply
    1,434,359.31x = 2,151,772.49 × 423,583.50
  4. Step 4: Simplify right side
    1,434,359.31x = 911,455,322,517.92
  5. Step 5: Solve for x
    x = 911,455,322,517.92/1,434,359.31
  6. Step 6: Final answer
    x = 635,444.21

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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.