Home / 1,447,144.48-2,172,017.76-773,801.34

Finding the Fourth Proportional to 1,447,144.48, 2,172,017.76 and 773,801.34

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Solution

The fourth proportional to 1,447,144.48, 2,172,017.76 and 773,801.34 is: 1,161,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,144.48 : 2,172,017.76 = 773,801.34 : x
  2. Step 2: Convert to fraction form
    1,447,144.48/2,172,017.76 = 773,801.34/x
  3. Step 3: Cross multiply
    1,447,144.48x = 2,172,017.76 × 773,801.34
  4. Step 4: Simplify right side
    1,447,144.48x = 1,680,710,253,191.80
  5. Step 5: Solve for x
    x = 1,680,710,253,191.80/1,447,144.48
  6. Step 6: Final answer
    x = 1,161,397.69

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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.