Home / 1,620,084.75-2,429,434.57-555,234.45

Finding the Fourth Proportional to 1,620,084.75, 2,429,434.57 and 555,234.45

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Solution

The fourth proportional to 1,620,084.75, 2,429,434.57 and 555,234.45 is: 832,614.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,084.75 : 2,429,434.57 = 555,234.45 : x
  2. Step 2: Convert to fraction form
    1,620,084.75/2,429,434.57 = 555,234.45/x
  3. Step 3: Cross multiply
    1,620,084.75x = 2,429,434.57 × 555,234.45
  4. Step 4: Simplify right side
    1,620,084.75x = 1,348,905,757,827.54
  5. Step 5: Solve for x
    x = 1,348,905,757,827.54/1,620,084.75
  6. Step 6: Final answer
    x = 832,614.32

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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.