Home / 671,241.60-1,008,028.80-650,246.40

Finding the Fourth Proportional to 671,241.60, 1,008,028.80 and 650,246.40

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Solution

The fourth proportional to 671,241.60, 1,008,028.80 and 650,246.40 is: 976,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,241.60 : 1,008,028.80 = 650,246.40 : x
  2. Step 2: Convert to fraction form
    671,241.60/1,008,028.80 = 650,246.40/x
  3. Step 3: Cross multiply
    671,241.60x = 1,008,028.80 × 650,246.40
  4. Step 4: Simplify right side
    671,241.60x = 655,467,098,296.32
  5. Step 5: Solve for x
    x = 655,467,098,296.32/671,241.60
  6. Step 6: Final answer
    x = 976,499.52

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1.5x scale

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.