Home / 808,814.40-1,213,221.60-651,350.40

Finding the Fourth Proportional to 808,814.40, 1,213,221.60 and 651,350.40

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Solution

The fourth proportional to 808,814.40, 1,213,221.60 and 651,350.40 is: 977,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,814.40 : 1,213,221.60 = 651,350.40 : x
  2. Step 2: Convert to fraction form
    808,814.40/1,213,221.60 = 651,350.40/x
  3. Step 3: Cross multiply
    808,814.40x = 1,213,221.60 × 651,350.40
  4. Step 4: Simplify right side
    808,814.40x = 790,232,374,448.64
  5. Step 5: Solve for x
    x = 790,232,374,448.64/808,814.40
  6. Step 6: Final answer
    x = 977,025.60

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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.