Home / 1,017,458.72-1,526,404.07-386,358.56

Finding the Fourth Proportional to 1,017,458.72, 1,526,404.07 and 386,358.56

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Solution

The fourth proportional to 1,017,458.72, 1,526,404.07 and 386,358.56 is: 579,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,458.72 : 1,526,404.07 = 386,358.56 : x
  2. Step 2: Convert to fraction form
    1,017,458.72/1,526,404.07 = 386,358.56/x
  3. Step 3: Cross multiply
    1,017,458.72x = 1,526,404.07 × 386,358.56
  4. Step 4: Simplify right side
    1,017,458.72x = 589,739,271,797.22
  5. Step 5: Solve for x
    x = 589,739,271,797.22/1,017,458.72
  6. Step 6: Final answer
    x = 579,619.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.