Home / 1,236,540.60-1,855,075.40-383,593.76

Finding the Fourth Proportional to 1,236,540.60, 1,855,075.40 and 383,593.76

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Solution

The fourth proportional to 1,236,540.60, 1,855,075.40 and 383,593.76 is: 575,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,540.60 : 1,855,075.40 = 383,593.76 : x
  2. Step 2: Convert to fraction form
    1,236,540.60/1,855,075.40 = 383,593.76/x
  3. Step 3: Cross multiply
    1,236,540.60x = 1,855,075.40 × 383,593.76
  4. Step 4: Simplify right side
    1,236,540.60x = 711,595,344,971.17
  5. Step 5: Solve for x
    x = 711,595,344,971.17/1,236,540.60
  6. Step 6: Final answer
    x = 575,472.69

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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.