Home / 1,280,340.32-1,766,848.92-699,551

Finding the Fourth Proportional to 1,280,340.32, 1,766,848.92 and 699,551

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Solution

The fourth proportional to 1,280,340.32, 1,766,848.92 and 699,551 is: 965,369.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,340.32 : 1,766,848.92 = 699,551 : x
  2. Step 2: Convert to fraction form
    1,280,340.32/1,766,848.92 = 699,551/x
  3. Step 3: Cross multiply
    1,280,340.32x = 1,766,848.92 × 699,551
  4. Step 4: Simplify right side
    1,280,340.32x = 1,236,000,928,834.92
  5. Step 5: Solve for x
    x = 1,236,000,928,834.92/1,280,340.32
  6. Step 6: Final answer
    x = 965,369.06

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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.