Home / 935,338.77-1,289,906.69-612,931.77

Finding the Fourth Proportional to 935,338.77, 1,289,906.69 and 612,931.77

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Solution

The fourth proportional to 935,338.77, 1,289,906.69 and 612,931.77 is: 845,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,338.77 : 1,289,906.69 = 612,931.77 : x
  2. Step 2: Convert to fraction form
    935,338.77/1,289,906.69 = 612,931.77/x
  3. Step 3: Cross multiply
    935,338.77x = 1,289,906.69 × 612,931.77
  4. Step 4: Simplify right side
    935,338.77x = 790,624,790,636.54
  5. Step 5: Solve for x
    x = 790,624,790,636.54/935,338.77
  6. Step 6: Final answer
    x = 845,281.75

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1.5x scale

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.