Home / 1,191,910.50-1,788,989.31-434,484.06

Finding the Fourth Proportional to 1,191,910.50, 1,788,989.31 and 434,484.06

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Solution

The fourth proportional to 1,191,910.50, 1,788,989.31 and 434,484.06 is: 652,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,910.50 : 1,788,989.31 = 434,484.06 : x
  2. Step 2: Convert to fraction form
    1,191,910.50/1,788,989.31 = 434,484.06/x
  3. Step 3: Cross multiply
    1,191,910.50x = 1,788,989.31 × 434,484.06
  4. Step 4: Simplify right side
    1,191,910.50x = 777,287,338,705.40
  5. Step 5: Solve for x
    x = 777,287,338,705.40/1,191,910.50
  6. Step 6: Final answer
    x = 652,135.66

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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.