Home / 757,629.64-1,045,922-553,451.32

Finding the Fourth Proportional to 757,629.64, 1,045,922 and 553,451.32

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Solution

The fourth proportional to 757,629.64, 1,045,922 and 553,451.32 is: 764,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,629.64 : 1,045,922 = 553,451.32 : x
  2. Step 2: Convert to fraction form
    757,629.64/1,045,922 = 553,451.32/x
  3. Step 3: Cross multiply
    757,629.64x = 1,045,922 × 553,451.32
  4. Step 4: Simplify right side
    757,629.64x = 578,866,911,517.04
  5. Step 5: Solve for x
    x = 578,866,911,517.04/757,629.64
  6. Step 6: Final answer
    x = 764,049.98

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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.