Home / 510,518.17-765,868.46-173,541.12

Finding the Fourth Proportional to 510,518.17, 765,868.46 and 173,541.12

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Solution

The fourth proportional to 510,518.17, 765,868.46 and 173,541.12 is: 260,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,518.17 : 765,868.46 = 173,541.12 : x
  2. Step 2: Convert to fraction form
    510,518.17/765,868.46 = 173,541.12/x
  3. Step 3: Cross multiply
    510,518.17x = 765,868.46 × 173,541.12
  4. Step 4: Simplify right side
    510,518.17x = 132,909,665,624.03
  5. Step 5: Solve for x
    x = 132,909,665,624.03/510,518.17
  6. Step 6: Final answer
    x = 260,342.67

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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.