Home / 1,147,213.79-1,583,353.19-664,045.34

Finding the Fourth Proportional to 1,147,213.79, 1,583,353.19 and 664,045.34

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Solution

The fourth proportional to 1,147,213.79, 1,583,353.19 and 664,045.34 is: 916,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,213.79 : 1,583,353.19 = 664,045.34 : x
  2. Step 2: Convert to fraction form
    1,147,213.79/1,583,353.19 = 664,045.34/x
  3. Step 3: Cross multiply
    1,147,213.79x = 1,583,353.19 × 664,045.34
  4. Step 4: Simplify right side
    1,147,213.79x = 1,051,418,307,393.63
  5. Step 5: Solve for x
    x = 1,051,418,307,393.63/1,147,213.79
  6. Step 6: Final answer
    x = 916,497.27

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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.