Home / 981,903.04-1,355,013.28-552,183.06

Finding the Fourth Proportional to 981,903.04, 1,355,013.28 and 552,183.06

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Solution

The fourth proportional to 981,903.04, 1,355,013.28 and 552,183.06 is: 762,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,903.04 : 1,355,013.28 = 552,183.06 : x
  2. Step 2: Convert to fraction form
    981,903.04/1,355,013.28 = 552,183.06/x
  3. Step 3: Cross multiply
    981,903.04x = 1,355,013.28 × 552,183.06
  4. Step 4: Simplify right side
    981,903.04x = 748,215,379,291.04
  5. Step 5: Solve for x
    x = 748,215,379,291.04/981,903.04
  6. Step 6: Final answer
    x = 762,005.36

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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.