Home / 934,172.76-1,396,140.45-681,984.32

Finding the Fourth Proportional to 934,172.76, 1,396,140.45 and 681,984.32

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Solution

The fourth proportional to 934,172.76, 1,396,140.45 and 681,984.32 is: 1,019,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,172.76 : 1,396,140.45 = 681,984.32 : x
  2. Step 2: Convert to fraction form
    934,172.76/1,396,140.45 = 681,984.32/x
  3. Step 3: Cross multiply
    934,172.76x = 1,396,140.45 × 681,984.32
  4. Step 4: Simplify right side
    934,172.76x = 952,145,895,417.74
  5. Step 5: Solve for x
    x = 952,145,895,417.74/934,172.76
  6. Step 6: Final answer
    x = 1,019,239.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.