Home / 1,015,120.56-1,400,232.08-653,016

Finding the Fourth Proportional to 1,015,120.56, 1,400,232.08 and 653,016

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Solution

The fourth proportional to 1,015,120.56, 1,400,232.08 and 653,016 is: 900,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,120.56 : 1,400,232.08 = 653,016 : x
  2. Step 2: Convert to fraction form
    1,015,120.56/1,400,232.08 = 653,016/x
  3. Step 3: Cross multiply
    1,015,120.56x = 1,400,232.08 × 653,016
  4. Step 4: Simplify right side
    1,015,120.56x = 914,373,951,953.28
  5. Step 5: Solve for x
    x = 914,373,951,953.28/1,015,120.56
  6. Step 6: Final answer
    x = 900,754.05

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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.