Home / 676,852.20-1,015,308.27-377,105.49

Finding the Fourth Proportional to 676,852.20, 1,015,308.27 and 377,105.49

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Solution

The fourth proportional to 676,852.20, 1,015,308.27 and 377,105.49 is: 565,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,852.20 : 1,015,308.27 = 377,105.49 : x
  2. Step 2: Convert to fraction form
    676,852.20/1,015,308.27 = 377,105.49/x
  3. Step 3: Cross multiply
    676,852.20x = 1,015,308.27 × 377,105.49
  4. Step 4: Simplify right side
    676,852.20x = 382,878,322,659.40
  5. Step 5: Solve for x
    x = 382,878,322,659.40/676,852.20
  6. Step 6: Final answer
    x = 565,674.93

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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.