Home / 1,532,504.20-2,298,999.30-521,721.40

Finding the Fourth Proportional to 1,532,504.20, 2,298,999.30 and 521,721.40

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Solution

The fourth proportional to 1,532,504.20, 2,298,999.30 and 521,721.40 is: 782,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,504.20 : 2,298,999.30 = 521,721.40 : x
  2. Step 2: Convert to fraction form
    1,532,504.20/2,298,999.30 = 521,721.40/x
  3. Step 3: Cross multiply
    1,532,504.20x = 2,298,999.30 × 521,721.40
  4. Step 4: Simplify right side
    1,532,504.20x = 1,199,437,133,395.02
  5. Step 5: Solve for x
    x = 1,199,437,133,395.02/1,532,504.20
  6. Step 6: Final answer
    x = 782,664.83

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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.