Home / 1,125,173.46-1,552,432.32-641,562.24

Finding the Fourth Proportional to 1,125,173.46, 1,552,432.32 and 641,562.24

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Solution

The fourth proportional to 1,125,173.46, 1,552,432.32 and 641,562.24 is: 885,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,173.46 : 1,552,432.32 = 641,562.24 : x
  2. Step 2: Convert to fraction form
    1,125,173.46/1,552,432.32 = 641,562.24/x
  3. Step 3: Cross multiply
    1,125,173.46x = 1,552,432.32 × 641,562.24
  4. Step 4: Simplify right side
    1,125,173.46x = 995,981,956,667.60
  5. Step 5: Solve for x
    x = 995,981,956,667.60/1,125,173.46
  6. Step 6: Final answer
    x = 885,180.81

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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.