Home / 359,728.03-496,411.67-198,579.62

Finding the Fourth Proportional to 359,728.03, 496,411.67 and 198,579.62

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Solution

The fourth proportional to 359,728.03, 496,411.67 and 198,579.62 is: 274,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,728.03 : 496,411.67 = 198,579.62 : x
  2. Step 2: Convert to fraction form
    359,728.03/496,411.67 = 198,579.62/x
  3. Step 3: Cross multiply
    359,728.03x = 496,411.67 × 198,579.62
  4. Step 4: Simplify right side
    359,728.03x = 98,577,240,047.59
  5. Step 5: Solve for x
    x = 98,577,240,047.59/359,728.03
  6. Step 6: Final answer
    x = 274,032.69

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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.