Home / 935,998.22-1,291,566.40-528,076.25

Finding the Fourth Proportional to 935,998.22, 1,291,566.40 and 528,076.25

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Solution

The fourth proportional to 935,998.22, 1,291,566.40 and 528,076.25 is: 728,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,998.22 : 1,291,566.40 = 528,076.25 : x
  2. Step 2: Convert to fraction form
    935,998.22/1,291,566.40 = 528,076.25/x
  3. Step 3: Cross multiply
    935,998.22x = 1,291,566.40 × 528,076.25
  4. Step 4: Simplify right side
    935,998.22x = 682,045,541,138
  5. Step 5: Solve for x
    x = 682,045,541,138/935,998.22
  6. Step 6: Final answer
    x = 728,682.52

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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.