Home / 1,256,246.70-1,883,786.85-545,909.10

Finding the Fourth Proportional to 1,256,246.70, 1,883,786.85 and 545,909.10

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Solution

The fourth proportional to 1,256,246.70, 1,883,786.85 and 545,909.10 is: 818,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,246.70 : 1,883,786.85 = 545,909.10 : x
  2. Step 2: Convert to fraction form
    1,256,246.70/1,883,786.85 = 545,909.10/x
  3. Step 3: Cross multiply
    1,256,246.70x = 1,883,786.85 × 545,909.10
  4. Step 4: Simplify right side
    1,256,246.70x = 1,028,376,383,875.34
  5. Step 5: Solve for x
    x = 1,028,376,383,875.34/1,256,246.70
  6. Step 6: Final answer
    x = 818,610.22

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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.