Home / 1,333,409.50-1,840,109.95-721,562.19

Finding the Fourth Proportional to 1,333,409.50, 1,840,109.95 and 721,562.19

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Solution

The fourth proportional to 1,333,409.50, 1,840,109.95 and 721,562.19 is: 995,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,409.50 : 1,840,109.95 = 721,562.19 : x
  2. Step 2: Convert to fraction form
    1,333,409.50/1,840,109.95 = 721,562.19/x
  3. Step 3: Cross multiply
    1,333,409.50x = 1,840,109.95 × 721,562.19
  4. Step 4: Simplify right side
    1,333,409.50x = 1,327,753,765,362.79
  5. Step 5: Solve for x
    x = 1,327,753,765,362.79/1,333,409.50
  6. Step 6: Final answer
    x = 995,758.45

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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.