Home / 971,940.20-1,457,910.30-672,337.40

Finding the Fourth Proportional to 971,940.20, 1,457,910.30 and 672,337.40

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Solution

The fourth proportional to 971,940.20, 1,457,910.30 and 672,337.40 is: 1,008,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,940.20 : 1,457,910.30 = 672,337.40 : x
  2. Step 2: Convert to fraction form
    971,940.20/1,457,910.30 = 672,337.40/x
  3. Step 3: Cross multiply
    971,940.20x = 1,457,910.30 × 672,337.40
  4. Step 4: Simplify right side
    971,940.20x = 980,207,620,535.22
  5. Step 5: Solve for x
    x = 980,207,620,535.22/971,940.20
  6. Step 6: Final answer
    x = 1,008,506.10

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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.