Home / 790,947.60-1,186,476.83-317,632.91

Finding the Fourth Proportional to 790,947.60, 1,186,476.83 and 317,632.91

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Solution

The fourth proportional to 790,947.60, 1,186,476.83 and 317,632.91 is: 476,471.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,947.60 : 1,186,476.83 = 317,632.91 : x
  2. Step 2: Convert to fraction form
    790,947.60/1,186,476.83 = 317,632.91/x
  3. Step 3: Cross multiply
    790,947.60x = 1,186,476.83 × 317,632.91
  4. Step 4: Simplify right side
    790,947.60x = 376,864,080,639.93
  5. Step 5: Solve for x
    x = 376,864,080,639.93/790,947.60
  6. Step 6: Final answer
    x = 476,471.62

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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.