Home / 679,986.40-1,019,979.60-236,754.40

Finding the Fourth Proportional to 679,986.40, 1,019,979.60 and 236,754.40

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Solution

The fourth proportional to 679,986.40, 1,019,979.60 and 236,754.40 is: 355,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,986.40 : 1,019,979.60 = 236,754.40 : x
  2. Step 2: Convert to fraction form
    679,986.40/1,019,979.60 = 236,754.40/x
  3. Step 3: Cross multiply
    679,986.40x = 1,019,979.60 × 236,754.40
  4. Step 4: Simplify right side
    679,986.40x = 241,484,658,210.24
  5. Step 5: Solve for x
    x = 241,484,658,210.24/679,986.40
  6. Step 6: Final answer
    x = 355,131.60

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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.