Home / 730,090.40-1,097,468.40-521,175.20

Finding the Fourth Proportional to 730,090.40, 1,097,468.40 and 521,175.20

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Solution

The fourth proportional to 730,090.40, 1,097,468.40 and 521,175.20 is: 783,428.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,090.40 : 1,097,468.40 = 521,175.20 : x
  2. Step 2: Convert to fraction form
    730,090.40/1,097,468.40 = 521,175.20/x
  3. Step 3: Cross multiply
    730,090.40x = 1,097,468.40 × 521,175.20
  4. Step 4: Simplify right side
    730,090.40x = 571,973,312,863.68
  5. Step 5: Solve for x
    x = 571,973,312,863.68/730,090.40
  6. Step 6: Final answer
    x = 783,428.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.