Home / 1,123,802.27-1,550,548.12-640,357.11

Finding the Fourth Proportional to 1,123,802.27, 1,550,548.12 and 640,357.11

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Solution

The fourth proportional to 1,123,802.27, 1,550,548.12 and 640,357.11 is: 883,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,802.27 : 1,550,548.12 = 640,357.11 : x
  2. Step 2: Convert to fraction form
    1,123,802.27/1,550,548.12 = 640,357.11/x
  3. Step 3: Cross multiply
    1,123,802.27x = 1,550,548.12 × 640,357.11
  4. Step 4: Simplify right side
    1,123,802.27x = 992,904,512,638.91
  5. Step 5: Solve for x
    x = 992,904,512,638.91/1,123,802.27
  6. Step 6: Final answer
    x = 883,522.43

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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.