Home / 871,827.68-1,202,896.50-509,201.22

Finding the Fourth Proportional to 871,827.68, 1,202,896.50 and 509,201.22

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Solution

The fourth proportional to 871,827.68, 1,202,896.50 and 509,201.22 is: 702,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,827.68 : 1,202,896.50 = 509,201.22 : x
  2. Step 2: Convert to fraction form
    871,827.68/1,202,896.50 = 509,201.22/x
  3. Step 3: Cross multiply
    871,827.68x = 1,202,896.50 × 509,201.22
  4. Step 4: Simplify right side
    871,827.68x = 612,516,365,333.73
  5. Step 5: Solve for x
    x = 612,516,365,333.73/871,827.68
  6. Step 6: Final answer
    x = 702,565.86

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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.