Home / 971,451.60-1,457,299.62-521,554.20

Finding the Fourth Proportional to 971,451.60, 1,457,299.62 and 521,554.20

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Solution

The fourth proportional to 971,451.60, 1,457,299.62 and 521,554.20 is: 782,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,451.60 : 1,457,299.62 = 521,554.20 : x
  2. Step 2: Convert to fraction form
    971,451.60/1,457,299.62 = 521,554.20/x
  3. Step 3: Cross multiply
    971,451.60x = 1,457,299.62 × 521,554.20
  4. Step 4: Simplify right side
    971,451.60x = 760,060,737,469.40
  5. Step 5: Solve for x
    x = 760,060,737,469.40/971,451.60
  6. Step 6: Final answer
    x = 782,396.92

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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.