Home / 986,439.24-1,361,324.70-556,734.24

Finding the Fourth Proportional to 986,439.24, 1,361,324.70 and 556,734.24

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Solution

The fourth proportional to 986,439.24, 1,361,324.70 and 556,734.24 is: 768,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,439.24 : 1,361,324.70 = 556,734.24 : x
  2. Step 2: Convert to fraction form
    986,439.24/1,361,324.70 = 556,734.24/x
  3. Step 3: Cross multiply
    986,439.24x = 1,361,324.70 × 556,734.24
  4. Step 4: Simplify right side
    986,439.24x = 757,896,072,247.73
  5. Step 5: Solve for x
    x = 757,896,072,247.73/986,439.24
  6. Step 6: Final answer
    x = 768,315.01

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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.