Home / 986,339.68-1,361,149.05-556,710.82

Finding the Fourth Proportional to 986,339.68, 1,361,149.05 and 556,710.82

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Solution

The fourth proportional to 986,339.68, 1,361,149.05 and 556,710.82 is: 768,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,339.68 : 1,361,149.05 = 556,710.82 : x
  2. Step 2: Convert to fraction form
    986,339.68/1,361,149.05 = 556,710.82/x
  3. Step 3: Cross multiply
    986,339.68x = 1,361,149.05 × 556,710.82
  4. Step 4: Simplify right side
    986,339.68x = 757,766,403,767.72
  5. Step 5: Solve for x
    x = 757,766,403,767.72/986,339.68
  6. Step 6: Final answer
    x = 768,261.10

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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.