Home / 851,475.25-1,277,212.88-346,311.06

Finding the Fourth Proportional to 851,475.25, 1,277,212.88 and 346,311.06

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Solution

The fourth proportional to 851,475.25, 1,277,212.88 and 346,311.06 is: 519,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,475.25 : 1,277,212.88 = 346,311.06 : x
  2. Step 2: Convert to fraction form
    851,475.25/1,277,212.88 = 346,311.06/x
  3. Step 3: Cross multiply
    851,475.25x = 1,277,212.88 × 346,311.06
  4. Step 4: Simplify right side
    851,475.25x = 442,312,946,318.45
  5. Step 5: Solve for x
    x = 442,312,946,318.45/851,475.25
  6. Step 6: Final answer
    x = 519,466.59

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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.