Home / 859,096.80-1,185,682.86-618,176.88

Finding the Fourth Proportional to 859,096.80, 1,185,682.86 and 618,176.88

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Solution

The fourth proportional to 859,096.80, 1,185,682.86 and 618,176.88 is: 853,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,096.80 : 1,185,682.86 = 618,176.88 : x
  2. Step 2: Convert to fraction form
    859,096.80/1,185,682.86 = 618,176.88/x
  3. Step 3: Cross multiply
    859,096.80x = 1,185,682.86 × 618,176.88
  4. Step 4: Simplify right side
    859,096.80x = 732,961,731,064.28
  5. Step 5: Solve for x
    x = 732,961,731,064.28/859,096.80
  6. Step 6: Final answer
    x = 853,177.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.