Home / 769,545.94-1,154,366.49-257,257.18

Finding the Fourth Proportional to 769,545.94, 1,154,366.49 and 257,257.18

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Solution

The fourth proportional to 769,545.94, 1,154,366.49 and 257,257.18 is: 385,901.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,545.94 : 1,154,366.49 = 257,257.18 : x
  2. Step 2: Convert to fraction form
    769,545.94/1,154,366.49 = 257,257.18/x
  3. Step 3: Cross multiply
    769,545.94x = 1,154,366.49 × 257,257.18
  4. Step 4: Simplify right side
    769,545.94x = 296,969,062,132.07
  5. Step 5: Solve for x
    x = 296,969,062,132.07/769,545.94
  6. Step 6: Final answer
    x = 385,901.67

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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.