Home / 653,112.89-901,428.40-377,482.44

Finding the Fourth Proportional to 653,112.89, 901,428.40 and 377,482.44

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Solution

The fourth proportional to 653,112.89, 901,428.40 and 377,482.44 is: 521,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,112.89 : 901,428.40 = 377,482.44 : x
  2. Step 2: Convert to fraction form
    653,112.89/901,428.40 = 377,482.44/x
  3. Step 3: Cross multiply
    653,112.89x = 901,428.40 × 377,482.44
  4. Step 4: Simplify right side
    653,112.89x = 340,273,391,917.30
  5. Step 5: Solve for x
    x = 340,273,391,917.30/653,112.89
  6. Step 6: Final answer
    x = 521,002.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.