Home / 385,580.40-532,025.34-242,257.41

Finding the Fourth Proportional to 385,580.40, 532,025.34 and 242,257.41

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Solution

The fourth proportional to 385,580.40, 532,025.34 and 242,257.41 is: 334,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,580.40 : 532,025.34 = 242,257.41 : x
  2. Step 2: Convert to fraction form
    385,580.40/532,025.34 = 242,257.41/x
  3. Step 3: Cross multiply
    385,580.40x = 532,025.34 × 242,257.41
  4. Step 4: Simplify right side
    385,580.40x = 128,887,079,199.33
  5. Step 5: Solve for x
    x = 128,887,079,199.33/385,580.40
  6. Step 6: Final answer
    x = 334,267.71

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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.