Home / 649,640.45-974,460.20-176,395.25

Finding the Fourth Proportional to 649,640.45, 974,460.20 and 176,395.25

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Solution

The fourth proportional to 649,640.45, 974,460.20 and 176,395.25 is: 264,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,640.45 : 974,460.20 = 176,395.25 : x
  2. Step 2: Convert to fraction form
    649,640.45/974,460.20 = 176,395.25/x
  3. Step 3: Cross multiply
    649,640.45x = 974,460.20 × 176,395.25
  4. Step 4: Simplify right side
    649,640.45x = 171,890,149,712.07
  5. Step 5: Solve for x
    x = 171,890,149,712.07/649,640.45
  6. Step 6: Final answer
    x = 264,592.74

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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.