Home / 1,128,709.51-1,693,617.80-529,719.37

Finding the Fourth Proportional to 1,128,709.51, 1,693,617.80 and 529,719.37

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Solution

The fourth proportional to 1,128,709.51, 1,693,617.80 and 529,719.37 is: 794,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,709.51 : 1,693,617.80 = 529,719.37 : x
  2. Step 2: Convert to fraction form
    1,128,709.51/1,693,617.80 = 529,719.37/x
  3. Step 3: Cross multiply
    1,128,709.51x = 1,693,617.80 × 529,719.37
  4. Step 4: Simplify right side
    1,128,709.51x = 897,142,147,154.15
  5. Step 5: Solve for x
    x = 897,142,147,154.15/1,128,709.51
  6. Step 6: Final answer
    x = 794,838.83

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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.