Home / 805,091.40-1,207,637.10-744,265.80

Finding the Fourth Proportional to 805,091.40, 1,207,637.10 and 744,265.80

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Solution

The fourth proportional to 805,091.40, 1,207,637.10 and 744,265.80 is: 1,116,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,091.40 : 1,207,637.10 = 744,265.80 : x
  2. Step 2: Convert to fraction form
    805,091.40/1,207,637.10 = 744,265.80/x
  3. Step 3: Cross multiply
    805,091.40x = 1,207,637.10 × 744,265.80
  4. Step 4: Simplify right side
    805,091.40x = 898,802,992,341.18
  5. Step 5: Solve for x
    x = 898,802,992,341.18/805,091.40
  6. Step 6: Final answer
    x = 1,116,398.70

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Why These Related Problems?

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