Home / 981,901.04-1,355,010.53-552,181.05

Finding the Fourth Proportional to 981,901.04, 1,355,010.53 and 552,181.05

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Solution

The fourth proportional to 981,901.04, 1,355,010.53 and 552,181.05 is: 762,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,901.04 : 1,355,010.53 = 552,181.05 : x
  2. Step 2: Convert to fraction form
    981,901.04/1,355,010.53 = 552,181.05/x
  3. Step 3: Cross multiply
    981,901.04x = 1,355,010.53 × 552,181.05
  4. Step 4: Simplify right side
    981,901.04x = 748,211,134,455.55
  5. Step 5: Solve for x
    x = 748,211,134,455.55/981,901.04
  6. Step 6: Final answer
    x = 762,002.59

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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.