Home / 658,257.70-986,592.75-302,784.34

Finding the Fourth Proportional to 658,257.70, 986,592.75 and 302,784.34

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Solution

The fourth proportional to 658,257.70, 986,592.75 and 302,784.34 is: 453,811.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,257.70 : 986,592.75 = 302,784.34 : x
  2. Step 2: Convert to fraction form
    658,257.70/986,592.75 = 302,784.34/x
  3. Step 3: Cross multiply
    658,257.70x = 986,592.75 × 302,784.34
  4. Step 4: Simplify right side
    658,257.70x = 298,724,834,657.54
  5. Step 5: Solve for x
    x = 298,724,834,657.54/658,257.70
  6. Step 6: Final answer
    x = 453,811.38

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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.