Home / 790,630.34-1,186,166.84-317,647.85

Finding the Fourth Proportional to 790,630.34, 1,186,166.84 and 317,647.85

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Solution

The fourth proportional to 790,630.34, 1,186,166.84 and 317,647.85 is: 476,560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,630.34 : 1,186,166.84 = 317,647.85 : x
  2. Step 2: Convert to fraction form
    790,630.34/1,186,166.84 = 317,647.85/x
  3. Step 3: Cross multiply
    790,630.34x = 1,186,166.84 × 317,647.85
  4. Step 4: Simplify right side
    790,630.34x = 376,783,338,948.22
  5. Step 5: Solve for x
    x = 376,783,338,948.22/790,630.34
  6. Step 6: Final answer
    x = 476,560.69

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Double scale
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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.