Home / 1,328,672.40-1,992,425.40-529,688.40

Finding the Fourth Proportional to 1,328,672.40, 1,992,425.40 and 529,688.40

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Solution

The fourth proportional to 1,328,672.40, 1,992,425.40 and 529,688.40 is: 794,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,672.40 : 1,992,425.40 = 529,688.40 : x
  2. Step 2: Convert to fraction form
    1,328,672.40/1,992,425.40 = 529,688.40/x
  3. Step 3: Cross multiply
    1,328,672.40x = 1,992,425.40 × 529,688.40
  4. Step 4: Simplify right side
    1,328,672.40x = 1,055,364,622,245.36
  5. Step 5: Solve for x
    x = 1,055,364,622,245.36/1,328,672.40
  6. Step 6: Final answer
    x = 794,300.10

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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.