Home / 558,900.32-835,775.24-415,077.72

Finding the Fourth Proportional to 558,900.32, 835,775.24 and 415,077.72

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Solution

The fourth proportional to 558,900.32, 835,775.24 and 415,077.72 is: 620,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,900.32 : 835,775.24 = 415,077.72 : x
  2. Step 2: Convert to fraction form
    558,900.32/835,775.24 = 415,077.72/x
  3. Step 3: Cross multiply
    558,900.32x = 835,775.24 × 415,077.72
  4. Step 4: Simplify right side
    558,900.32x = 346,911,681,051.65
  5. Step 5: Solve for x
    x = 346,911,681,051.65/558,900.32
  6. Step 6: Final answer
    x = 620,704.03

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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.