Home / 985,277.58-1,359,698.19-577,281.78

Finding the Fourth Proportional to 985,277.58, 1,359,698.19 and 577,281.78

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Solution

The fourth proportional to 985,277.58, 1,359,698.19 and 577,281.78 is: 796,657.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,277.58 : 1,359,698.19 = 577,281.78 : x
  2. Step 2: Convert to fraction form
    985,277.58/1,359,698.19 = 577,281.78/x
  3. Step 3: Cross multiply
    985,277.58x = 1,359,698.19 × 577,281.78
  4. Step 4: Simplify right side
    985,277.58x = 784,928,991,385.98
  5. Step 5: Solve for x
    x = 784,928,991,385.98/985,277.58
  6. Step 6: Final answer
    x = 796,657.72

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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.