Home / 935,348.10-1,289,919.54-612,941.10

Finding the Fourth Proportional to 935,348.10, 1,289,919.54 and 612,941.10

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Solution

The fourth proportional to 935,348.10, 1,289,919.54 and 612,941.10 is: 845,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,348.10 : 1,289,919.54 = 612,941.10 : x
  2. Step 2: Convert to fraction form
    935,348.10/1,289,919.54 = 612,941.10/x
  3. Step 3: Cross multiply
    935,348.10x = 1,289,919.54 × 612,941.10
  4. Step 4: Simplify right side
    935,348.10x = 790,644,701,759.09
  5. Step 5: Solve for x
    x = 790,644,701,759.09/935,348.10
  6. Step 6: Final answer
    x = 845,294.60

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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.