Home / 1,502,349.34-2,253,606.09-380,428.06

Finding the Fourth Proportional to 1,502,349.34, 2,253,606.09 and 380,428.06

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Solution

The fourth proportional to 1,502,349.34, 2,253,606.09 and 380,428.06 is: 570,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,349.34 : 2,253,606.09 = 380,428.06 : x
  2. Step 2: Convert to fraction form
    1,502,349.34/2,253,606.09 = 380,428.06/x
  3. Step 3: Cross multiply
    1,502,349.34x = 2,253,606.09 × 380,428.06
  4. Step 4: Simplify right side
    1,502,349.34x = 857,334,992,822.89
  5. Step 5: Solve for x
    x = 857,334,992,822.89/1,502,349.34
  6. Step 6: Final answer
    x = 570,662.87

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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.