Home / 1,411,038.40-2,116,791.04-653,636.80

Finding the Fourth Proportional to 1,411,038.40, 2,116,791.04 and 653,636.80

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Solution

The fourth proportional to 1,411,038.40, 2,116,791.04 and 653,636.80 is: 980,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,038.40 : 2,116,791.04 = 653,636.80 : x
  2. Step 2: Convert to fraction form
    1,411,038.40/2,116,791.04 = 653,636.80/x
  3. Step 3: Cross multiply
    1,411,038.40x = 2,116,791.04 × 653,636.80
  4. Step 4: Simplify right side
    1,411,038.40x = 1,383,612,521,654.27
  5. Step 5: Solve for x
    x = 1,383,612,521,654.27/1,411,038.40
  6. Step 6: Final answer
    x = 980,563.34

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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.