Home / 651,244.80-976,867.20-605,625.60

Finding the Fourth Proportional to 651,244.80, 976,867.20 and 605,625.60

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Solution

The fourth proportional to 651,244.80, 976,867.20 and 605,625.60 is: 908,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,244.80 : 976,867.20 = 605,625.60 : x
  2. Step 2: Convert to fraction form
    651,244.80/976,867.20 = 605,625.60/x
  3. Step 3: Cross multiply
    651,244.80x = 976,867.20 × 605,625.60
  4. Step 4: Simplify right side
    651,244.80x = 591,615,784,120.32
  5. Step 5: Solve for x
    x = 591,615,784,120.32/651,244.80
  6. Step 6: Final answer
    x = 908,438.40

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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.