Home / 1,333,437.92-1,840,130.25-721,577.28

Finding the Fourth Proportional to 1,333,437.92, 1,840,130.25 and 721,577.28

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Solution

The fourth proportional to 1,333,437.92, 1,840,130.25 and 721,577.28 is: 995,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,437.92 : 1,840,130.25 = 721,577.28 : x
  2. Step 2: Convert to fraction form
    1,333,437.92/1,840,130.25 = 721,577.28/x
  3. Step 3: Cross multiply
    1,333,437.92x = 1,840,130.25 × 721,577.28
  4. Step 4: Simplify right side
    1,333,437.92x = 1,327,796,180,640.72
  5. Step 5: Solve for x
    x = 1,327,796,180,640.72/1,333,437.92
  6. Step 6: Final answer
    x = 995,769.03

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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.