Home / 782,674.92-1,173,532.56-333,139.80

Finding the Fourth Proportional to 782,674.92, 1,173,532.56 and 333,139.80

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Solution

The fourth proportional to 782,674.92, 1,173,532.56 and 333,139.80 is: 499,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,674.92 : 1,173,532.56 = 333,139.80 : x
  2. Step 2: Convert to fraction form
    782,674.92/1,173,532.56 = 333,139.80/x
  3. Step 3: Cross multiply
    782,674.92x = 1,173,532.56 × 333,139.80
  4. Step 4: Simplify right side
    782,674.92x = 390,950,402,331.89
  5. Step 5: Solve for x
    x = 390,950,402,331.89/782,674.92
  6. Step 6: Final answer
    x = 499,505.47

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1.5x scale

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.