Home / 929,945.40-1,393,585.92-529,759.86

Finding the Fourth Proportional to 929,945.40, 1,393,585.92 and 529,759.86

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Solution

The fourth proportional to 929,945.40, 1,393,585.92 and 529,759.86 is: 793,880.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,945.40 : 1,393,585.92 = 529,759.86 : x
  2. Step 2: Convert to fraction form
    929,945.40/1,393,585.92 = 529,759.86/x
  3. Step 3: Cross multiply
    929,945.40x = 1,393,585.92 × 529,759.86
  4. Step 4: Simplify right side
    929,945.40x = 738,265,881,877.17
  5. Step 5: Solve for x
    x = 738,265,881,877.17/929,945.40
  6. Step 6: Final answer
    x = 793,880.89

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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.