Home / 829,679.79-1,243,469.93-530,044.59

Finding the Fourth Proportional to 829,679.79, 1,243,469.93 and 530,044.59

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Solution

The fourth proportional to 829,679.79, 1,243,469.93 and 530,044.59 is: 794,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,679.79 : 1,243,469.93 = 530,044.59 : x
  2. Step 2: Convert to fraction form
    829,679.79/1,243,469.93 = 530,044.59/x
  3. Step 3: Cross multiply
    829,679.79x = 1,243,469.93 × 530,044.59
  4. Step 4: Simplify right side
    829,679.79x = 659,094,506,573.96
  5. Step 5: Solve for x
    x = 659,094,506,573.96/829,679.79
  6. Step 6: Final answer
    x = 794,396.24

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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.