Home / 935,255.70-1,399,380.30-666,006.30

Finding the Fourth Proportional to 935,255.70, 1,399,380.30 and 666,006.30

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Solution

The fourth proportional to 935,255.70, 1,399,380.30 and 666,006.30 is: 996,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,255.70 : 1,399,380.30 = 666,006.30 : x
  2. Step 2: Convert to fraction form
    935,255.70/1,399,380.30 = 666,006.30/x
  3. Step 3: Cross multiply
    935,255.70x = 1,399,380.30 × 666,006.30
  4. Step 4: Simplify right side
    935,255.70x = 931,996,095,895.89
  5. Step 5: Solve for x
    x = 931,996,095,895.89/935,255.70
  6. Step 6: Final answer
    x = 996,514.75

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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.