Home / 935,998.76-1,291,567.19-528,076.77

Finding the Fourth Proportional to 935,998.76, 1,291,567.19 and 528,076.77

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Solution

The fourth proportional to 935,998.76, 1,291,567.19 and 528,076.77 is: 728,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,998.76 : 1,291,567.19 = 528,076.77 : x
  2. Step 2: Convert to fraction form
    935,998.76/1,291,567.19 = 528,076.77/x
  3. Step 3: Cross multiply
    935,998.76x = 1,291,567.19 × 528,076.77
  4. Step 4: Simplify right side
    935,998.76x = 682,046,627,292.79
  5. Step 5: Solve for x
    x = 682,046,627,292.79/935,998.76
  6. Step 6: Final answer
    x = 728,683.26

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Double scale
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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.