Home / 790,615.08-1,186,144.05-317,632.59

Finding the Fourth Proportional to 790,615.08, 1,186,144.05 and 317,632.59

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Solution

The fourth proportional to 790,615.08, 1,186,144.05 and 317,632.59 is: 476,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,615.08 : 1,186,144.05 = 317,632.59 : x
  2. Step 2: Convert to fraction form
    790,615.08/1,186,144.05 = 317,632.59/x
  3. Step 3: Cross multiply
    790,615.08x = 1,186,144.05 × 317,632.59
  4. Step 4: Simplify right side
    790,615.08x = 376,758,007,905.71
  5. Step 5: Solve for x
    x = 376,758,007,905.71/790,615.08
  6. Step 6: Final answer
    x = 476,537.85

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Double scale
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Similar ratio
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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.