Home / 1,227,440.40-1,693,746.72-683,626.96

Finding the Fourth Proportional to 1,227,440.40, 1,693,746.72 and 683,626.96

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Solution

The fourth proportional to 1,227,440.40, 1,693,746.72 and 683,626.96 is: 943,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,440.40 : 1,693,746.72 = 683,626.96 : x
  2. Step 2: Convert to fraction form
    1,227,440.40/1,693,746.72 = 683,626.96/x
  3. Step 3: Cross multiply
    1,227,440.40x = 1,693,746.72 × 683,626.96
  4. Step 4: Simplify right side
    1,227,440.40x = 1,157,890,921,203.57
  5. Step 5: Solve for x
    x = 1,157,890,921,203.57/1,227,440.40
  6. Step 6: Final answer
    x = 943,337.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.