Home / 1,333,412.51-1,840,114.11-721,565.20

Finding the Fourth Proportional to 1,333,412.51, 1,840,114.11 and 721,565.20

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Solution

The fourth proportional to 1,333,412.51, 1,840,114.11 and 721,565.20 is: 995,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,412.51 : 1,840,114.11 = 721,565.20 : x
  2. Step 2: Convert to fraction form
    1,333,412.51/1,840,114.11 = 721,565.20/x
  3. Step 3: Cross multiply
    1,333,412.51x = 1,840,114.11 × 721,565.20
  4. Step 4: Simplify right side
    1,333,412.51x = 1,327,762,305,804.97
  5. Step 5: Solve for x
    x = 1,327,762,305,804.97/1,333,412.51
  6. Step 6: Final answer
    x = 995,762.60

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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.