Home / 1,123,277.64-1,549,942.13-639,852.23

Finding the Fourth Proportional to 1,123,277.64, 1,549,942.13 and 639,852.23

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Solution

The fourth proportional to 1,123,277.64, 1,549,942.13 and 639,852.23 is: 882,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,277.64 : 1,549,942.13 = 639,852.23 : x
  2. Step 2: Convert to fraction form
    1,123,277.64/1,549,942.13 = 639,852.23/x
  3. Step 3: Cross multiply
    1,123,277.64x = 1,549,942.13 × 639,852.23
  4. Step 4: Simplify right side
    1,123,277.64x = 991,733,917,302.48
  5. Step 5: Solve for x
    x = 991,733,917,302.48/1,123,277.64
  6. Step 6: Final answer
    x = 882,892.96

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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.