Home / 1,026,709.86-1,540,170.40-387,551.96

Finding the Fourth Proportional to 1,026,709.86, 1,540,170.40 and 387,551.96

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Solution

The fourth proportional to 1,026,709.86, 1,540,170.40 and 387,551.96 is: 581,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,709.86 : 1,540,170.40 = 387,551.96 : x
  2. Step 2: Convert to fraction form
    1,026,709.86/1,540,170.40 = 387,551.96/x
  3. Step 3: Cross multiply
    1,026,709.86x = 1,540,170.40 × 387,551.96
  4. Step 4: Simplify right side
    1,026,709.86x = 596,896,057,253.98
  5. Step 5: Solve for x
    x = 596,896,057,253.98/1,026,709.86
  6. Step 6: Final answer
    x = 581,367.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.