Home / 935,998.73-1,291,567.08-528,076.76

Finding the Fourth Proportional to 935,998.73, 1,291,567.08 and 528,076.76

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Solution

The fourth proportional to 935,998.73, 1,291,567.08 and 528,076.76 is: 728,683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,998.73 : 1,291,567.08 = 528,076.76 : x
  2. Step 2: Convert to fraction form
    935,998.73/1,291,567.08 = 528,076.76/x
  3. Step 3: Cross multiply
    935,998.73x = 1,291,567.08 × 528,076.76
  4. Step 4: Simplify right side
    935,998.73x = 682,046,552,471.23
  5. Step 5: Solve for x
    x = 682,046,552,471.23/935,998.73
  6. Step 6: Final answer
    x = 728,683.21

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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.