Home / 739,305.66-1,020,165.39-545,816.37

Finding the Fourth Proportional to 739,305.66, 1,020,165.39 and 545,816.37

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Solution

The fourth proportional to 739,305.66, 1,020,165.39 and 545,816.37 is: 753,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,305.66 : 1,020,165.39 = 545,816.37 : x
  2. Step 2: Convert to fraction form
    739,305.66/1,020,165.39 = 545,816.37/x
  3. Step 3: Cross multiply
    739,305.66x = 1,020,165.39 × 545,816.37
  4. Step 4: Simplify right side
    739,305.66x = 556,822,969,969.43
  5. Step 5: Solve for x
    x = 556,822,969,969.43/739,305.66
  6. Step 6: Final answer
    x = 753,170.17

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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.