Home / 771,189.32-1,156,983.62-451,611.20

Finding the Fourth Proportional to 771,189.32, 1,156,983.62 and 451,611.20

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Solution

The fourth proportional to 771,189.32, 1,156,983.62 and 451,611.20 is: 677,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,189.32 : 1,156,983.62 = 451,611.20 : x
  2. Step 2: Convert to fraction form
    771,189.32/1,156,983.62 = 451,611.20/x
  3. Step 3: Cross multiply
    771,189.32x = 1,156,983.62 × 451,611.20
  4. Step 4: Simplify right side
    771,189.32x = 522,506,752,965.57
  5. Step 5: Solve for x
    x = 522,506,752,965.57/771,189.32
  6. Step 6: Final answer
    x = 677,533.70

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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.