Home / 1,109,711.59-1,531,237.74-673,902.28

Finding the Fourth Proportional to 1,109,711.59, 1,531,237.74 and 673,902.28

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Solution

The fourth proportional to 1,109,711.59, 1,531,237.74 and 673,902.28 is: 929,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,711.59 : 1,531,237.74 = 673,902.28 : x
  2. Step 2: Convert to fraction form
    1,109,711.59/1,531,237.74 = 673,902.28/x
  3. Step 3: Cross multiply
    1,109,711.59x = 1,531,237.74 × 673,902.28
  4. Step 4: Simplify right side
    1,109,711.59x = 1,031,904,604,208.05
  5. Step 5: Solve for x
    x = 1,031,904,604,208.05/1,109,711.59
  6. Step 6: Final answer
    x = 929,885.40

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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.