Home / 986,440.24-1,361,326.08-556,735.24

Finding the Fourth Proportional to 986,440.24, 1,361,326.08 and 556,735.24

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Solution

The fourth proportional to 986,440.24, 1,361,326.08 and 556,735.24 is: 768,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,440.24 : 1,361,326.08 = 556,735.24 : x
  2. Step 2: Convert to fraction form
    986,440.24/1,361,326.08 = 556,735.24/x
  3. Step 3: Cross multiply
    986,440.24x = 1,361,326.08 × 556,735.24
  4. Step 4: Simplify right side
    986,440.24x = 757,898,201,867.06
  5. Step 5: Solve for x
    x = 757,898,201,867.06/986,440.24
  6. Step 6: Final answer
    x = 768,316.39

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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.