Home / 1,213,892.16-1,675,171.34-670,028.12

Finding the Fourth Proportional to 1,213,892.16, 1,675,171.34 and 670,028.12

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Solution

The fourth proportional to 1,213,892.16, 1,675,171.34 and 670,028.12 is: 924,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,892.16 : 1,675,171.34 = 670,028.12 : x
  2. Step 2: Convert to fraction form
    1,213,892.16/1,675,171.34 = 670,028.12/x
  3. Step 3: Cross multiply
    1,213,892.16x = 1,675,171.34 × 670,028.12
  4. Step 4: Simplify right side
    1,213,892.16x = 1,122,411,903,618.08
  5. Step 5: Solve for x
    x = 1,122,411,903,618.08/1,213,892.16
  6. Step 6: Final answer
    x = 924,638.89

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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.