Home / 1,328,656.40-1,992,401.40-529,672.40

Finding the Fourth Proportional to 1,328,656.40, 1,992,401.40 and 529,672.40

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Solution

The fourth proportional to 1,328,656.40, 1,992,401.40 and 529,672.40 is: 794,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,656.40 : 1,992,401.40 = 529,672.40 : x
  2. Step 2: Convert to fraction form
    1,328,656.40/1,992,401.40 = 529,672.40/x
  3. Step 3: Cross multiply
    1,328,656.40x = 1,992,401.40 × 529,672.40
  4. Step 4: Simplify right side
    1,328,656.40x = 1,055,320,031,301.36
  5. Step 5: Solve for x
    x = 1,055,320,031,301.36/1,328,656.40
  6. Step 6: Final answer
    x = 794,276.11

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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.