Home / 720,072.18-1,080,261.36-246,630.42

Finding the Fourth Proportional to 720,072.18, 1,080,261.36 and 246,630.42

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Solution

The fourth proportional to 720,072.18, 1,080,261.36 and 246,630.42 is: 369,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,072.18 : 1,080,261.36 = 246,630.42 : x
  2. Step 2: Convert to fraction form
    720,072.18/1,080,261.36 = 246,630.42/x
  3. Step 3: Cross multiply
    720,072.18x = 1,080,261.36 × 246,630.42
  4. Step 4: Simplify right side
    720,072.18x = 266,425,312,926.57
  5. Step 5: Solve for x
    x = 266,425,312,926.57/720,072.18
  6. Step 6: Final answer
    x = 369,998.06

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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.