Home / 923,291.82-1,385,117.25-354,631.14

Finding the Fourth Proportional to 923,291.82, 1,385,117.25 and 354,631.14

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Solution

The fourth proportional to 923,291.82, 1,385,117.25 and 354,631.14 is: 532,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,291.82 : 1,385,117.25 = 354,631.14 : x
  2. Step 2: Convert to fraction form
    923,291.82/1,385,117.25 = 354,631.14/x
  3. Step 3: Cross multiply
    923,291.82x = 1,385,117.25 × 354,631.14
  4. Step 4: Simplify right side
    923,291.82x = 491,205,709,401.17
  5. Step 5: Solve for x
    x = 491,205,709,401.17/923,291.82
  6. Step 6: Final answer
    x = 532,015.66

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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.