Home / 1,333,459.02-1,840,173.38-721,611.80

Finding the Fourth Proportional to 1,333,459.02, 1,840,173.38 and 721,611.80

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Solution

The fourth proportional to 1,333,459.02, 1,840,173.38 and 721,611.80 is: 995,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,459.02 : 1,840,173.38 = 721,611.80 : x
  2. Step 2: Convert to fraction form
    1,333,459.02/1,840,173.38 = 721,611.80/x
  3. Step 3: Cross multiply
    1,333,459.02x = 1,840,173.38 × 721,611.80
  4. Step 4: Simplify right side
    1,333,459.02x = 1,327,890,825,053.88
  5. Step 5: Solve for x
    x = 1,327,890,825,053.88/1,333,459.02
  6. Step 6: Final answer
    x = 995,824.25

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1.5x scale

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.