Home / 985,772.09-1,360,406.84-556,052.10

Finding the Fourth Proportional to 985,772.09, 1,360,406.84 and 556,052.10

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Solution

The fourth proportional to 985,772.09, 1,360,406.84 and 556,052.10 is: 767,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,772.09 : 1,360,406.84 = 556,052.10 : x
  2. Step 2: Convert to fraction form
    985,772.09/1,360,406.84 = 556,052.10/x
  3. Step 3: Cross multiply
    985,772.09x = 1,360,406.84 × 556,052.10
  4. Step 4: Simplify right side
    985,772.09x = 756,457,080,236.36
  5. Step 5: Solve for x
    x = 756,457,080,236.36/985,772.09
  6. Step 6: Final answer
    x = 767,375.23

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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.