Home / 986,090.13-1,360,868.58-556,213.41

Finding the Fourth Proportional to 986,090.13, 1,360,868.58 and 556,213.41

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Solution

The fourth proportional to 986,090.13, 1,360,868.58 and 556,213.41 is: 767,610.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,090.13 : 1,360,868.58 = 556,213.41 : x
  2. Step 2: Convert to fraction form
    986,090.13/1,360,868.58 = 556,213.41/x
  3. Step 3: Cross multiply
    986,090.13x = 1,360,868.58 × 556,213.41
  4. Step 4: Simplify right side
    986,090.13x = 756,933,353,443.66
  5. Step 5: Solve for x
    x = 756,933,353,443.66/986,090.13
  6. Step 6: Final answer
    x = 767,610.72

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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.