Home / 1,274,880.24-1,911,620.40-875,621.52

Finding the Fourth Proportional to 1,274,880.24, 1,911,620.40 and 875,621.52

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Solution

The fourth proportional to 1,274,880.24, 1,911,620.40 and 875,621.52 is: 1,312,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,880.24 : 1,911,620.40 = 875,621.52 : x
  2. Step 2: Convert to fraction form
    1,274,880.24/1,911,620.40 = 875,621.52/x
  3. Step 3: Cross multiply
    1,274,880.24x = 1,911,620.40 × 875,621.52
  4. Step 4: Simplify right side
    1,274,880.24x = 1,673,855,960,311.01
  5. Step 5: Solve for x
    x = 1,673,855,960,311.01/1,274,880.24
  6. Step 6: Final answer
    x = 1,312,951.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.