Home / 715,419.03-986,291.74-570,716.03

Finding the Fourth Proportional to 715,419.03, 986,291.74 and 570,716.03

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Solution

The fourth proportional to 715,419.03, 986,291.74 and 570,716.03 is: 786,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,419.03 : 986,291.74 = 570,716.03 : x
  2. Step 2: Convert to fraction form
    715,419.03/986,291.74 = 570,716.03/x
  3. Step 3: Cross multiply
    715,419.03x = 986,291.74 × 570,716.03
  4. Step 4: Simplify right side
    715,419.03x = 562,892,503,905.83
  5. Step 5: Solve for x
    x = 562,892,503,905.83/715,419.03
  6. Step 6: Final answer
    x = 786,801.13

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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.