Home / 1,091,129.70-1,505,700.39-601,083.15

Finding the Fourth Proportional to 1,091,129.70, 1,505,700.39 and 601,083.15

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Solution

The fourth proportional to 1,091,129.70, 1,505,700.39 and 601,083.15 is: 829,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,129.70 : 1,505,700.39 = 601,083.15 : x
  2. Step 2: Convert to fraction form
    1,091,129.70/1,505,700.39 = 601,083.15/x
  3. Step 3: Cross multiply
    1,091,129.70x = 1,505,700.39 × 601,083.15
  4. Step 4: Simplify right side
    1,091,129.70x = 905,051,133,377.43
  5. Step 5: Solve for x
    x = 905,051,133,377.43/1,091,129.70
  6. Step 6: Final answer
    x = 829,462.47

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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.