Home / 666,566.40-996,933.60-595,999.20

Finding the Fourth Proportional to 666,566.40, 996,933.60 and 595,999.20

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Solution

The fourth proportional to 666,566.40, 996,933.60 and 595,999.20 is: 891,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,566.40 : 996,933.60 = 595,999.20 : x
  2. Step 2: Convert to fraction form
    666,566.40/996,933.60 = 595,999.20/x
  3. Step 3: Cross multiply
    666,566.40x = 996,933.60 × 595,999.20
  4. Step 4: Simplify right side
    666,566.40x = 594,171,628,053.12
  5. Step 5: Solve for x
    x = 594,171,628,053.12/666,566.40
  6. Step 6: Final answer
    x = 891,391.51

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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.