Home / 651,321.60-977,121.84-202,032.72

Finding the Fourth Proportional to 651,321.60, 977,121.84 and 202,032.72

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Solution

The fourth proportional to 651,321.60, 977,121.84 and 202,032.72 is: 303,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,321.60 : 977,121.84 = 202,032.72 : x
  2. Step 2: Convert to fraction form
    651,321.60/977,121.84 = 202,032.72/x
  3. Step 3: Cross multiply
    651,321.60x = 977,121.84 × 202,032.72
  4. Step 4: Simplify right side
    651,321.60x = 197,410,583,106.61
  5. Step 5: Solve for x
    x = 197,410,583,106.61/651,321.60
  6. Step 6: Final answer
    x = 303,092.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.