Home / 648,611.97-968,659.50-552,821.37

Finding the Fourth Proportional to 648,611.97, 968,659.50 and 552,821.37

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Solution

The fourth proportional to 648,611.97, 968,659.50 and 552,821.37 is: 825,602.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,611.97 : 968,659.50 = 552,821.37 : x
  2. Step 2: Convert to fraction form
    648,611.97/968,659.50 = 552,821.37/x
  3. Step 3: Cross multiply
    648,611.97x = 968,659.50 × 552,821.37
  4. Step 4: Simplify right side
    648,611.97x = 535,495,671,853.52
  5. Step 5: Solve for x
    x = 535,495,671,853.52/648,611.97
  6. Step 6: Final answer
    x = 825,602.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.