Home / 919,233.14-1,378,850.11-288,196.16

Finding the Fourth Proportional to 919,233.14, 1,378,850.11 and 288,196.16

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Solution

The fourth proportional to 919,233.14, 1,378,850.11 and 288,196.16 is: 432,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,233.14 : 1,378,850.11 = 288,196.16 : x
  2. Step 2: Convert to fraction form
    919,233.14/1,378,850.11 = 288,196.16/x
  3. Step 3: Cross multiply
    919,233.14x = 1,378,850.11 × 288,196.16
  4. Step 4: Simplify right side
    919,233.14x = 397,379,299,302.84
  5. Step 5: Solve for x
    x = 397,379,299,302.84/919,233.14
  6. Step 6: Final answer
    x = 432,294.36

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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.