Home / 460,639.80-691,397.10-283,492.80

Finding the Fourth Proportional to 460,639.80, 691,397.10 and 283,492.80

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Solution

The fourth proportional to 460,639.80, 691,397.10 and 283,492.80 is: 425,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,639.80 : 691,397.10 = 283,492.80 : x
  2. Step 2: Convert to fraction form
    460,639.80/691,397.10 = 283,492.80/x
  3. Step 3: Cross multiply
    460,639.80x = 691,397.10 × 283,492.80
  4. Step 4: Simplify right side
    460,639.80x = 196,006,099,790.88
  5. Step 5: Solve for x
    x = 196,006,099,790.88/460,639.80
  6. Step 6: Final answer
    x = 425,508.39

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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.