Home / 935,338.52-1,289,906.34-612,931.52

Finding the Fourth Proportional to 935,338.52, 1,289,906.34 and 612,931.52

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Solution

The fourth proportional to 935,338.52, 1,289,906.34 and 612,931.52 is: 845,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,338.52 : 1,289,906.34 = 612,931.52 : x
  2. Step 2: Convert to fraction form
    935,338.52/1,289,906.34 = 612,931.52/x
  3. Step 3: Cross multiply
    935,338.52x = 1,289,906.34 × 612,931.52
  4. Step 4: Simplify right side
    935,338.52x = 790,624,247,184.31
  5. Step 5: Solve for x
    x = 790,624,247,184.31/935,338.52
  6. Step 6: Final answer
    x = 845,281.40

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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.