Home / 1,765,453.59-2,648,572.83-643,522.59

Finding the Fourth Proportional to 1,765,453.59, 2,648,572.83 and 643,522.59

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Solution

The fourth proportional to 1,765,453.59, 2,648,572.83 and 643,522.59 is: 965,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,453.59 : 2,648,572.83 = 643,522.59 : x
  2. Step 2: Convert to fraction form
    1,765,453.59/2,648,572.83 = 643,522.59/x
  3. Step 3: Cross multiply
    1,765,453.59x = 2,648,572.83 × 643,522.59
  4. Step 4: Simplify right side
    1,765,453.59x = 1,704,416,447,365.23
  5. Step 5: Solve for x
    x = 1,704,416,447,365.23/1,765,453.59
  6. Step 6: Final answer
    x = 965,426.93

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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.