Home / 1,690,403.22-2,535,069-552,902.40

Finding the Fourth Proportional to 1,690,403.22, 2,535,069 and 552,902.40

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Solution

The fourth proportional to 1,690,403.22, 2,535,069 and 552,902.40 is: 829,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,403.22 : 2,535,069 = 552,902.40 : x
  2. Step 2: Convert to fraction form
    1,690,403.22/2,535,069 = 552,902.40/x
  3. Step 3: Cross multiply
    1,690,403.22x = 2,535,069 × 552,902.40
  4. Step 4: Simplify right side
    1,690,403.22x = 1,401,645,734,265.60
  5. Step 5: Solve for x
    x = 1,401,645,734,265.60/1,690,403.22
  6. Step 6: Final answer
    x = 829,178.34

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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.