Home / 783,760.64-1,175,468.16-384,005.12

Finding the Fourth Proportional to 783,760.64, 1,175,468.16 and 384,005.12

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Solution

The fourth proportional to 783,760.64, 1,175,468.16 and 384,005.12 is: 575,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,760.64 : 1,175,468.16 = 384,005.12 : x
  2. Step 2: Convert to fraction form
    783,760.64/1,175,468.16 = 384,005.12/x
  3. Step 3: Cross multiply
    783,760.64x = 1,175,468.16 × 384,005.12
  4. Step 4: Simplify right side
    783,760.64x = 451,385,791,836.98
  5. Step 5: Solve for x
    x = 451,385,791,836.98/783,760.64
  6. Step 6: Final answer
    x = 575,923.02

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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.