Home / 1,029,110.78-1,420,171.48-570,255.07

Finding the Fourth Proportional to 1,029,110.78, 1,420,171.48 and 570,255.07

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Solution

The fourth proportional to 1,029,110.78, 1,420,171.48 and 570,255.07 is: 786,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,110.78 : 1,420,171.48 = 570,255.07 : x
  2. Step 2: Convert to fraction form
    1,029,110.78/1,420,171.48 = 570,255.07/x
  3. Step 3: Cross multiply
    1,029,110.78x = 1,420,171.48 × 570,255.07
  4. Step 4: Simplify right side
    1,029,110.78x = 809,859,981,050.52
  5. Step 5: Solve for x
    x = 809,859,981,050.52/1,029,110.78
  6. Step 6: Final answer
    x = 786,951.22

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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.