Home / 935,951.64-1,291,613.56-528,139.96

Finding the Fourth Proportional to 935,951.64, 1,291,613.56 and 528,139.96

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Solution

The fourth proportional to 935,951.64, 1,291,613.56 and 528,139.96 is: 728,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,951.64 : 1,291,613.56 = 528,139.96 : x
  2. Step 2: Convert to fraction form
    935,951.64/1,291,613.56 = 528,139.96/x
  3. Step 3: Cross multiply
    935,951.64x = 1,291,613.56 × 528,139.96
  4. Step 4: Simplify right side
    935,951.64x = 682,152,733,913.86
  5. Step 5: Solve for x
    x = 682,152,733,913.86/935,951.64
  6. Step 6: Final answer
    x = 728,833.31

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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.