Home / 517,436.30-776,157.89-180,475.69

Finding the Fourth Proportional to 517,436.30, 776,157.89 and 180,475.69

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Solution

The fourth proportional to 517,436.30, 776,157.89 and 180,475.69 is: 270,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,436.30 : 776,157.89 = 180,475.69 : x
  2. Step 2: Convert to fraction form
    517,436.30/776,157.89 = 180,475.69/x
  3. Step 3: Cross multiply
    517,436.30x = 776,157.89 × 180,475.69
  4. Step 4: Simplify right side
    517,436.30x = 140,077,627,903.92
  5. Step 5: Solve for x
    x = 140,077,627,903.92/517,436.30
  6. Step 6: Final answer
    x = 270,714.73

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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.