Home / 875,632.43-1,207,913.27-712,471.12

Finding the Fourth Proportional to 875,632.43, 1,207,913.27 and 712,471.12

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Solution

The fourth proportional to 875,632.43, 1,207,913.27 and 712,471.12 is: 982,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,632.43 : 1,207,913.27 = 712,471.12 : x
  2. Step 2: Convert to fraction form
    875,632.43/1,207,913.27 = 712,471.12/x
  3. Step 3: Cross multiply
    875,632.43x = 1,207,913.27 × 712,471.12
  4. Step 4: Simplify right side
    875,632.43x = 860,603,321,162.53
  5. Step 5: Solve for x
    x = 860,603,321,162.53/875,632.43
  6. Step 6: Final answer
    x = 982,836.28

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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.