Home / 868,519.76-1,199,291.40-653,284.88

Finding the Fourth Proportional to 868,519.76, 1,199,291.40 and 653,284.88

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Solution

The fourth proportional to 868,519.76, 1,199,291.40 and 653,284.88 is: 902,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,519.76 : 1,199,291.40 = 653,284.88 : x
  2. Step 2: Convert to fraction form
    868,519.76/1,199,291.40 = 653,284.88/x
  3. Step 3: Cross multiply
    868,519.76x = 1,199,291.40 × 653,284.88
  4. Step 4: Simplify right side
    868,519.76x = 783,478,938,334.03
  5. Step 5: Solve for x
    x = 783,478,938,334.03/868,519.76
  6. Step 6: Final answer
    x = 902,085.33

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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.