Home / 1,690,851.20-2,536,622.40-569,033.60

Finding the Fourth Proportional to 1,690,851.20, 2,536,622.40 and 569,033.60

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Solution

The fourth proportional to 1,690,851.20, 2,536,622.40 and 569,033.60 is: 853,666.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,851.20 : 2,536,622.40 = 569,033.60 : x
  2. Step 2: Convert to fraction form
    1,690,851.20/2,536,622.40 = 569,033.60/x
  3. Step 3: Cross multiply
    1,690,851.20x = 2,536,622.40 × 569,033.60
  4. Step 4: Simplify right side
    1,690,851.20x = 1,443,423,376,112.64
  5. Step 5: Solve for x
    x = 1,443,423,376,112.64/1,690,851.20
  6. Step 6: Final answer
    x = 853,666.71

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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.