Home / 558,893.31-835,764.76-415,070.72

Finding the Fourth Proportional to 558,893.31, 835,764.76 and 415,070.72

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Solution

The fourth proportional to 558,893.31, 835,764.76 and 415,070.72 is: 620,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,893.31 : 835,764.76 = 415,070.72 : x
  2. Step 2: Convert to fraction form
    558,893.31/835,764.76 = 415,070.72/x
  3. Step 3: Cross multiply
    558,893.31x = 835,764.76 × 415,070.72
  4. Step 4: Simplify right side
    558,893.31x = 346,901,480,683.83
  5. Step 5: Solve for x
    x = 346,901,480,683.83/558,893.31
  6. Step 6: Final answer
    x = 620,693.56

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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.