Home / 839,967.30-1,259,623.35-366,329.70

Finding the Fourth Proportional to 839,967.30, 1,259,623.35 and 366,329.70

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Solution

The fourth proportional to 839,967.30, 1,259,623.35 and 366,329.70 is: 549,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,967.30 : 1,259,623.35 = 366,329.70 : x
  2. Step 2: Convert to fraction form
    839,967.30/1,259,623.35 = 366,329.70/x
  3. Step 3: Cross multiply
    839,967.30x = 1,259,623.35 × 366,329.70
  4. Step 4: Simplify right side
    839,967.30x = 461,437,443,918.50
  5. Step 5: Solve for x
    x = 461,437,443,918.50/839,967.30
  6. Step 6: Final answer
    x = 549,351.68

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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.