Home / 985,905.11-1,360,562.25-556,183.91

Finding the Fourth Proportional to 985,905.11, 1,360,562.25 and 556,183.91

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Solution

The fourth proportional to 985,905.11, 1,360,562.25 and 556,183.91 is: 767,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,905.11 : 1,360,562.25 = 556,183.91 : x
  2. Step 2: Convert to fraction form
    985,905.11/1,360,562.25 = 556,183.91/x
  3. Step 3: Cross multiply
    985,905.11x = 1,360,562.25 × 556,183.91
  4. Step 4: Simplify right side
    985,905.11x = 756,722,825,200.59
  5. Step 5: Solve for x
    x = 756,722,825,200.59/985,905.11
  6. Step 6: Final answer
    x = 767,541.24

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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.