Home / 983,661.12-1,357,521.86-548,107.38

Finding the Fourth Proportional to 983,661.12, 1,357,521.86 and 548,107.38

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Solution

The fourth proportional to 983,661.12, 1,357,521.86 and 548,107.38 is: 756,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,661.12 : 1,357,521.86 = 548,107.38 : x
  2. Step 2: Convert to fraction form
    983,661.12/1,357,521.86 = 548,107.38/x
  3. Step 3: Cross multiply
    983,661.12x = 1,357,521.86 × 548,107.38
  4. Step 4: Simplify right side
    983,661.12x = 744,067,751,347.60
  5. Step 5: Solve for x
    x = 744,067,751,347.60/983,661.12
  6. Step 6: Final answer
    x = 756,426.92

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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.