Home / 806,266.40-1,209,788.40-569,098.40

Finding the Fourth Proportional to 806,266.40, 1,209,788.40 and 569,098.40

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Solution

The fourth proportional to 806,266.40, 1,209,788.40 and 569,098.40 is: 853,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,266.40 : 1,209,788.40 = 569,098.40 : x
  2. Step 2: Convert to fraction form
    806,266.40/1,209,788.40 = 569,098.40/x
  3. Step 3: Cross multiply
    806,266.40x = 1,209,788.40 × 569,098.40
  4. Step 4: Simplify right side
    806,266.40x = 688,488,642,778.56
  5. Step 5: Solve for x
    x = 688,488,642,778.56/806,266.40
  6. Step 6: Final answer
    x = 853,922.03

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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.