Home / 935,666.60-1,291,218.96-505,945.64

Finding the Fourth Proportional to 935,666.60, 1,291,218.96 and 505,945.64

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Solution

The fourth proportional to 935,666.60, 1,291,218.96 and 505,945.64 is: 698,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,666.60 : 1,291,218.96 = 505,945.64 : x
  2. Step 2: Convert to fraction form
    935,666.60/1,291,218.96 = 505,945.64/x
  3. Step 3: Cross multiply
    935,666.60x = 1,291,218.96 × 505,945.64
  4. Step 4: Simplify right side
    935,666.60x = 653,286,603,097.33
  5. Step 5: Solve for x
    x = 653,286,603,097.33/935,666.60
  6. Step 6: Final answer
    x = 698,204.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.