Home / 769,532.36-1,062,060.14-442,838.66

Finding the Fourth Proportional to 769,532.36, 1,062,060.14 and 442,838.66

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Solution

The fourth proportional to 769,532.36, 1,062,060.14 and 442,838.66 is: 611,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,532.36 : 1,062,060.14 = 442,838.66 : x
  2. Step 2: Convert to fraction form
    769,532.36/1,062,060.14 = 442,838.66/x
  3. Step 3: Cross multiply
    769,532.36x = 1,062,060.14 × 442,838.66
  4. Step 4: Simplify right side
    769,532.36x = 470,321,289,237.01
  5. Step 5: Solve for x
    x = 470,321,289,237.01/769,532.36
  6. Step 6: Final answer
    x = 611,178.05

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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.