Home / 1,411,036.40-2,116,788.04-653,634.80

Finding the Fourth Proportional to 1,411,036.40, 2,116,788.04 and 653,634.80

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Solution

The fourth proportional to 1,411,036.40, 2,116,788.04 and 653,634.80 is: 980,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,036.40 : 2,116,788.04 = 653,634.80 : x
  2. Step 2: Convert to fraction form
    1,411,036.40/2,116,788.04 = 653,634.80/x
  3. Step 3: Cross multiply
    1,411,036.40x = 2,116,788.04 × 653,634.80
  4. Step 4: Simplify right side
    1,411,036.40x = 1,383,606,327,167.79
  5. Step 5: Solve for x
    x = 1,383,606,327,167.79/1,411,036.40
  6. Step 6: Final answer
    x = 980,560.34

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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.