Home / 1,323,311.20-1,983,994.80-524,197.60

Finding the Fourth Proportional to 1,323,311.20, 1,983,994.80 and 524,197.60

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Solution

The fourth proportional to 1,323,311.20, 1,983,994.80 and 524,197.60 is: 785,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,311.20 : 1,983,994.80 = 524,197.60 : x
  2. Step 2: Convert to fraction form
    1,323,311.20/1,983,994.80 = 524,197.60/x
  3. Step 3: Cross multiply
    1,323,311.20x = 1,983,994.80 × 524,197.60
  4. Step 4: Simplify right side
    1,323,311.20x = 1,040,005,312,572.48
  5. Step 5: Solve for x
    x = 1,040,005,312,572.48/1,323,311.20
  6. Step 6: Final answer
    x = 785,911.37

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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.