Home / 880,121.79-1,214,526.02-540,524.43

Finding the Fourth Proportional to 880,121.79, 1,214,526.02 and 540,524.43

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Solution

The fourth proportional to 880,121.79, 1,214,526.02 and 540,524.43 is: 745,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,121.79 : 1,214,526.02 = 540,524.43 : x
  2. Step 2: Convert to fraction form
    880,121.79/1,214,526.02 = 540,524.43/x
  3. Step 3: Cross multiply
    880,121.79x = 1,214,526.02 × 540,524.43
  4. Step 4: Simplify right side
    880,121.79x = 656,480,981,978.05
  5. Step 5: Solve for x
    x = 656,480,981,978.05/880,121.79
  6. Step 6: Final answer
    x = 745,897.89

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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.