Home / 935,677.60-1,291,234.14-505,956.64

Finding the Fourth Proportional to 935,677.60, 1,291,234.14 and 505,956.64

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Solution

The fourth proportional to 935,677.60, 1,291,234.14 and 505,956.64 is: 698,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,677.60 : 1,291,234.14 = 505,956.64 : x
  2. Step 2: Convert to fraction form
    935,677.60/1,291,234.14 = 505,956.64/x
  3. Step 3: Cross multiply
    935,677.60x = 1,291,234.14 × 505,956.64
  4. Step 4: Simplify right side
    935,677.60x = 653,308,486,927.69
  5. Step 5: Solve for x
    x = 653,308,486,927.69/935,677.60
  6. Step 6: Final answer
    x = 698,219.65

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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.