Home / 1,029,110.45-1,420,171.01-570,254.73

Finding the Fourth Proportional to 1,029,110.45, 1,420,171.01 and 570,254.73

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Solution

The fourth proportional to 1,029,110.45, 1,420,171.01 and 570,254.73 is: 786,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,110.45 : 1,420,171.01 = 570,254.73 : x
  2. Step 2: Convert to fraction form
    1,029,110.45/1,420,171.01 = 570,254.73/x
  3. Step 3: Cross multiply
    1,029,110.45x = 1,420,171.01 × 570,254.73
  4. Step 4: Simplify right side
    1,029,110.45x = 809,859,231,230.13
  5. Step 5: Solve for x
    x = 809,859,231,230.13/1,029,110.45
  6. Step 6: Final answer
    x = 786,950.74

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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.