Home / 651,157.29-977,335.38-331,537.59

Finding the Fourth Proportional to 651,157.29, 977,335.38 and 331,537.59

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Solution

The fourth proportional to 651,157.29, 977,335.38 and 331,537.59 is: 497,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,157.29 : 977,335.38 = 331,537.59 : x
  2. Step 2: Convert to fraction form
    651,157.29/977,335.38 = 331,537.59/x
  3. Step 3: Cross multiply
    651,157.29x = 977,335.38 × 331,537.59
  4. Step 4: Simplify right side
    651,157.29x = 324,023,416,506.93
  5. Step 5: Solve for x
    x = 324,023,416,506.93/651,157.29
  6. Step 6: Final answer
    x = 497,611.59

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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.