Home / 714,402.62-1,071,603.96-215,766.62

Finding the Fourth Proportional to 714,402.62, 1,071,603.96 and 215,766.62

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Solution

The fourth proportional to 714,402.62, 1,071,603.96 and 215,766.62 is: 323,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,402.62 : 1,071,603.96 = 215,766.62 : x
  2. Step 2: Convert to fraction form
    714,402.62/1,071,603.96 = 215,766.62/x
  3. Step 3: Cross multiply
    714,402.62x = 1,071,603.96 × 215,766.62
  4. Step 4: Simplify right side
    714,402.62x = 231,216,364,427.82
  5. Step 5: Solve for x
    x = 231,216,364,427.82/714,402.62
  6. Step 6: Final answer
    x = 323,649.94

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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.