Home / 1,244,555.09-1,866,830.03-391,701.27

Finding the Fourth Proportional to 1,244,555.09, 1,866,830.03 and 391,701.27

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Solution

The fourth proportional to 1,244,555.09, 1,866,830.03 and 391,701.27 is: 587,551.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,555.09 : 1,866,830.03 = 391,701.27 : x
  2. Step 2: Convert to fraction form
    1,244,555.09/1,866,830.03 = 391,701.27/x
  3. Step 3: Cross multiply
    1,244,555.09x = 1,866,830.03 × 391,701.27
  4. Step 4: Simplify right side
    1,244,555.09x = 731,239,691,666.63
  5. Step 5: Solve for x
    x = 731,239,691,666.63/1,244,555.09
  6. Step 6: Final answer
    x = 587,551.09

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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.