Home / 746,630.70-1,119,946.05-657,984.30

Finding the Fourth Proportional to 746,630.70, 1,119,946.05 and 657,984.30

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Solution

The fourth proportional to 746,630.70, 1,119,946.05 and 657,984.30 is: 986,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,630.70 : 1,119,946.05 = 657,984.30 : x
  2. Step 2: Convert to fraction form
    746,630.70/1,119,946.05 = 657,984.30/x
  3. Step 3: Cross multiply
    746,630.70x = 1,119,946.05 × 657,984.30
  4. Step 4: Simplify right side
    746,630.70x = 736,906,917,747.02
  5. Step 5: Solve for x
    x = 736,906,917,747.02/746,630.70
  6. Step 6: Final answer
    x = 986,976.45

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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.