Home / 1,531,059.12-2,113,093.80-919,549.56

Finding the Fourth Proportional to 1,531,059.12, 2,113,093.80 and 919,549.56

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Solution

The fourth proportional to 1,531,059.12, 2,113,093.80 and 919,549.56 is: 1,269,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,059.12 : 2,113,093.80 = 919,549.56 : x
  2. Step 2: Convert to fraction form
    1,531,059.12/2,113,093.80 = 919,549.56/x
  3. Step 3: Cross multiply
    1,531,059.12x = 2,113,093.80 × 919,549.56
  4. Step 4: Simplify right side
    1,531,059.12x = 1,943,094,474,028.73
  5. Step 5: Solve for x
    x = 1,943,094,474,028.73/1,531,059.12
  6. Step 6: Final answer
    x = 1,269,117.86

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1.5x scale

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.