Home / 1,027,887.40-1,541,946.30-317,909.80

Finding the Fourth Proportional to 1,027,887.40, 1,541,946.30 and 317,909.80

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Solution

The fourth proportional to 1,027,887.40, 1,541,946.30 and 317,909.80 is: 476,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,887.40 : 1,541,946.30 = 317,909.80 : x
  2. Step 2: Convert to fraction form
    1,027,887.40/1,541,946.30 = 317,909.80/x
  3. Step 3: Cross multiply
    1,027,887.40x = 1,541,946.30 × 317,909.80
  4. Step 4: Simplify right side
    1,027,887.40x = 490,199,839,843.74
  5. Step 5: Solve for x
    x = 490,199,839,843.74/1,027,887.40
  6. Step 6: Final answer
    x = 476,900.33

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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.