Home / 808,867.60-1,213,301.40-651,403.60

Finding the Fourth Proportional to 808,867.60, 1,213,301.40 and 651,403.60

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Solution

The fourth proportional to 808,867.60, 1,213,301.40 and 651,403.60 is: 977,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,867.60 : 1,213,301.40 = 651,403.60 : x
  2. Step 2: Convert to fraction form
    808,867.60/1,213,301.40 = 651,403.60/x
  3. Step 3: Cross multiply
    808,867.60x = 1,213,301.40 × 651,403.60
  4. Step 4: Simplify right side
    808,867.60x = 790,348,899,845.04
  5. Step 5: Solve for x
    x = 790,348,899,845.04/808,867.60
  6. Step 6: Final answer
    x = 977,105.40

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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.