Home / 947,862.21-1,308,284.91-540,205.83

Finding the Fourth Proportional to 947,862.21, 1,308,284.91 and 540,205.83

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Solution

The fourth proportional to 947,862.21, 1,308,284.91 and 540,205.83 is: 745,618.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,862.21 : 1,308,284.91 = 540,205.83 : x
  2. Step 2: Convert to fraction form
    947,862.21/1,308,284.91 = 540,205.83/x
  3. Step 3: Cross multiply
    947,862.21x = 1,308,284.91 × 540,205.83
  4. Step 4: Simplify right side
    947,862.21x = 706,743,135,683.03
  5. Step 5: Solve for x
    x = 706,743,135,683.03/947,862.21
  6. Step 6: Final answer
    x = 745,618.01

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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.