Home / 1,204,518.45-1,662,237.87-660,658.71

Finding the Fourth Proportional to 1,204,518.45, 1,662,237.87 and 660,658.71

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Solution

The fourth proportional to 1,204,518.45, 1,662,237.87 and 660,658.71 is: 911,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,518.45 : 1,662,237.87 = 660,658.71 : x
  2. Step 2: Convert to fraction form
    1,204,518.45/1,662,237.87 = 660,658.71/x
  3. Step 3: Cross multiply
    1,204,518.45x = 1,662,237.87 × 660,658.71
  4. Step 4: Simplify right side
    1,204,518.45x = 1,098,171,930,663.27
  5. Step 5: Solve for x
    x = 1,098,171,930,663.27/1,204,518.45
  6. Step 6: Final answer
    x = 911,710.34

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1.5x scale

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.