Home / 1,333,496.81-1,840,225.47-721,649.54

Finding the Fourth Proportional to 1,333,496.81, 1,840,225.47 and 721,649.54

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Solution

The fourth proportional to 1,333,496.81, 1,840,225.47 and 721,649.54 is: 995,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,496.81 : 1,840,225.47 = 721,649.54 : x
  2. Step 2: Convert to fraction form
    1,333,496.81/1,840,225.47 = 721,649.54/x
  3. Step 3: Cross multiply
    1,333,496.81x = 1,840,225.47 × 721,649.54
  4. Step 4: Simplify right side
    1,333,496.81x = 1,327,997,865,816.16
  5. Step 5: Solve for x
    x = 1,327,997,865,816.16/1,333,496.81
  6. Step 6: Final answer
    x = 995,876.30

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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.